# CalcReckon

> Free UK calculators with the working shown


## Pages

- [Compound Interest Calculator UK](https://calcreckon.co.uk/money/compound-interest-calculator/): Compound interest calculator UK: see how savings grow with monthly deposits and daily, monthly or yearly compounding, plus the AER and inflation-adjusted value.
- [Inflation Calculator UK: Value of Money Since 1900](https://calcreckon.co.uk/money/inflation-calculator/): Inflation calculator UK: see what money from any year since 1900 is worth today, using long-run ONS price data linked to CPI, plus the average yearly inflation.
- [CPI Calculator UK (Official ONS Index)](https://calcreckon.co.uk/money/cpi-calculator/): CPI calculator UK: adjust any amount between two months or years from 1988 to 2026 with the official ONS CPI index (D7BT, 2015=100) and the percentage change.
- [Lifestyle](https://calcreckon.co.uk/lifestyle/): Free lifestyle calculators: UK dress and bra sizes, betting odds, tattoo costs, wedding budgets and more.
- [Maths & dates](https://calcreckon.co.uk/maths/): Free maths and date calculators: area, volume, percentages, age and days between dates, with the working shown.
- [Pets & animals](https://calcreckon.co.uk/pets/): Free pet and animal calculators: dog food portions, chocolate toxicity, lambing dates and fish tank stocking.
- [Food & cooking](https://calcreckon.co.uk/food/): Free cooking calculators: convert oven times to air fryer, scale cake recipes, buttercream quantities and turkey roasting times.
- [Business & selling online](https://calcreckon.co.uk/business/): Free UK business calculators: postage costs, marketplace fees, markup and margin, business loans and 3D printing costs.
- [Energy & bills](https://calcreckon.co.uk/energy/): Free UK energy and bill calculators: kWh running costs, gas and electricity bills, solar panels, heat pumps and water meters.
- [Motoring & travel](https://calcreckon.co.uk/motoring/): Free UK motoring and travel calculators: fuel cost for a journey, MPG, car finance settlement, write-off value, scrap prices and more.
- [Pregnancy, baby & family](https://calcreckon.co.uk/family/): Free UK family calculators: baby weight percentile on UK-WHO growth charts, school year by birthday, rent to pay parents and more.
- [Health & fitness](https://calcreckon.co.uk/health/): Free health and fitness calculators: BMI for adults, BMR and daily calories, ideal weight, height percentiles and more, using NHS and clinical formulas.
- [Benefits & legal](https://calcreckon.co.uk/benefits/): Free UK calculators for child maintenance, the poverty line, Universal Credit and other benefits and legal questions, based on official rules.
- [Property & mortgages](https://calcreckon.co.uk/property/): Free UK mortgage and property calculators: how much you can borrow, repayments, overpayments, LTV, rental yield, equity release and more.
- [Pensions & retirement](https://calcreckon.co.uk/pensions/): Free UK pension calculators: annuity income, pension drawdown, contributions with tax relief, state pension and how much you need to retire.
- [Salary & work](https://calcreckon.co.uk/salary/): Free UK salary and work calculators: take-home pay, salary sacrifice, pay rises, overtime, statutory pay and redundancy, using 2026/27 rates.
- [Tax](https://calcreckon.co.uk/tax/): Free UK tax calculators for 2026/27: income tax, dividend tax, capital gains tax, company car tax and more, using current HMRC rates and allowances.
- [Money, loans & savings](https://calcreckon.co.uk/money/): Free UK money calculators: inflation and CPI, compound interest, loans, savings, gold and silver values and more, with the working shown.
- [All Calculators](https://calcreckon.co.uk/calculators/): Every free calculator on CalcReckon, grouped by category: 130 UK calculators for money, tax, health, home improvement costs and more.
- [Terms of Use](https://calcreckon.co.uk/terms/): Terms of use and disclaimer for CalcReckon: our calculators give estimates for budgeting, not quotes or professional advice.
- [Contact](https://calcreckon.co.uk/contact/): Contact CalcReckon about our UK cost and building calculators: report a price that looks wrong, suggest a new calculator or ask about partnerships.
- [About](https://calcreckon.co.uk/about/): About CalcReckon: free UK home improvement cost and building calculators. How we research 2026 prices, which sources we use and how to use our estimates.
- [Tile Calculator UK](https://calcreckon.co.uk/building/tile-calculator/): Free tile calculator UK. Work out how many wall or floor tiles you need, plus boxes, tile adhesive per m² and grout, with an allowance for cuts and waste.
- [Stair Calculator UK](https://calcreckon.co.uk/building/stair-calculator/): Free UK stair calculator. Work out the number of steps, riser height, going, stair angle and total run, and check them against Part K building regulations.
- [Architect Fees Calculator UK](https://calcreckon.co.uk/home-costs/architects-fee-calculator/): Architect fees calculator for the UK. Estimate architect fees as a percentage of build cost or a fixed fee for planning drawings, with 2026 prices and RIBA stages.
- [Topsoil Calculator](https://calcreckon.co.uk/building/topsoil-calculator/): Free topsoil calculator UK. Work out how much topsoil you need in cubic metres, tonnes and bulk bags for lawns, turf, borders and raised beds, plus cost.
- [Steel Beam Calculator UK](https://calcreckon.co.uk/building/steel-beam-calculator/): Free steel beam calculator UK. Get an indicative universal beam size for your span and load, its weight and the 2026 cost to supply and fit an RSJ.
- [Epoxy Flooring Cost Calculator UK](https://calcreckon.co.uk/home-costs/epoxy-flooring-cost-calculator/): Epoxy flooring cost calculator for the UK. See the epoxy flooring price per m² for roller coats, self-levelling, flake and metallic floors, with 2026 prices.
- [Roof Pitch Calculator](https://calcreckon.co.uk/building/roof-pitch-calculator/): Free roof pitch calculator. Find the pitch of a roof in degrees from the rise and span or run, plus rafter length, ratio and percentage. UK guide to roof pitches.
- [Stair Carpet Cost Calculator UK](https://calcreckon.co.uk/home-costs/stair-carpet-cost-calculator/): How much does it cost to carpet stairs? Stair carpet cost calculator for the UK, with stairs and landing, winders, runners and fitting at 2026 prices.
- [Pond Volume Calculator](https://calcreckon.co.uk/building/pond-volume-calculator/): Free pond volume calculator. Work out how many litres and gallons are in your pond, rectangular, round or irregular, plus the liner size and pump flow rate.
- [Garage Build Cost Calculator UK](https://calcreckon.co.uk/home-costs/garage-build-cost-calculator/): How much does it cost to build a garage in the UK? Estimate a single or double garage in concrete, timber, block or brick, with 2026 prices.
- [Bifold Doors Cost Calculator UK](https://calcreckon.co.uk/home-costs/bifold-door-cost-calculator/): Bifold doors cost calculator for the UK. Price uPVC, aluminium or timber bifold doors by number of panels, installation, and the cost of a new opening.
- [Decking Calculator](https://calcreckon.co.uk/building/decking-calculator/): Free decking calculator. Work out how many decking boards, joists and screws you need for timber or composite decking, plus the 2026 UK cost per m².
- [Window Cleaning Price Calculator UK](https://calcreckon.co.uk/home-costs/window-cleaning-price-calculator/): Window cleaning price calculator for the UK. See how much window cleaners charge per clean and per year by house size, inside and out, with 2026 prices.
- [Roof Cleaning Cost Calculator UK](https://calcreckon.co.uk/home-costs/roof-cleaning-cost-calculator/): Roof cleaning cost calculator for the UK. See roof cleaning prices by house type for moss removal, soft washing and biocide treatment, with 2026 costs.
- [Fencing Cost Calculator UK](https://calcreckon.co.uk/home-costs/fencing-cost-calculator/): Fencing cost calculator for the UK. Work out the cost of putting in a fence per metre: panel, closeboard, composite or metal, with removal and 2026 prices.
- [Orangery Extension Cost Calculator](https://calcreckon.co.uk/home-costs/orangery-cost-calculator/): Orangery extension cost calculator for the UK. Price a uPVC, aluminium or hardwood orangery per m², from small orangeries to kitchen extensions, at 2026 prices.
- [Swimming Pool Cost Calculator UK](https://calcreckon.co.uk/home-costs/swimming-pool-cost-calculator/): Swimming pool cost calculator for the UK. Compare swimming pool installation cost for above-ground, in-ground, concrete and indoor pools, with 2026 prices.
- [Building Cost Calculator: How Much Will My House Cost to Build?](https://calcreckon.co.uk/home-costs/building-cost-calculator/): How much will my house cost to build? Use our UK building cost calculator to estimate house build costs per square metre by spec and region, at 2026 prices.
- [Driveway Cost Calculator UK](https://calcreckon.co.uk/home-costs/driveway-cost-calculator/): Driveway cost calculator for the UK. Compare the cost of a new driveway in gravel, tarmac, block paving, resin or concrete per m², with 2026 prices.
- [House Extension Cost Calculator UK](https://calcreckon.co.uk/home-costs/house-extension-cost-calculator/): House extension cost calculator for the UK. Work out single and double storey extension costs per m², with fees, VAT and 2026 prices for your region.
- [Loft Insulation Cost Calculator UK](https://calcreckon.co.uk/home-costs/loft-insulation-cost-calculator/): Loft insulation cost calculator for the UK. See the cost of insulating a loft to 270 mm by house type, how much insulation you need and yearly savings.
- [Garage Conversion Cost Calculator UK](https://calcreckon.co.uk/home-costs/garage-conversion-cost-calculator/): Garage conversion cost calculator for the UK. See the cost to convert a single or double garage per m², with 2026 prices for bedrooms, offices and en-suites.
- [Tree Removal Cost Calculator UK](https://calcreckon.co.uk/home-costs/tree-removal-cost-calculator/): How much does it cost to cut down a tree in the UK? Estimate tree removal cost, tree felling and stump removal prices by tree size with 2026 tree surgeon rates.
- [Tarmac Driveway Cost Calculator & Estimator](https://calcreckon.co.uk/home-costs/tarmac-driveway-cost-calculator/): Tarmac estimator for UK driveways. Work out tarmac driveway cost per m², how much to tarmac a drive, tonnes of tarmac needed and 2026 prices for your region.
- [Carpet Cost Calculator UK](https://calcreckon.co.uk/home-costs/carpet-cost-calculator/): How much does carpet cost? Work out the price of carpet, underlay and carpet fitting cost per m² for a room, stairs or a whole house with 2026 UK prices.
- [Rebuild Cost Calculator UK](https://calcreckon.co.uk/home-costs/rebuild-cost-calculator/): Free rebuild cost calculator for UK buildings insurance. Estimate the cost to rebuild your house per m² by property type and region, with 2026 rebuild rates.
- [Moving House Cost Calculator UK](https://calcreckon.co.uk/home-costs/moving-house-cost-calculator/): How much does it cost to move house in the UK? Add up stamp duty, solicitor, survey, estate agent and removal costs with our 2026 moving house cost calculator.
- [Square Metre Calculator (m²)](https://calcreckon.co.uk/building/square-metre-calculator/): Free square metre calculator. Work out m² from metres, cm, mm, feet or inches for rectangles, triangles and circles, with conversion tables and worked examples.
- [Window Replacement Cost Calculator UK](https://calcreckon.co.uk/home-costs/window-replacement-cost-calculator/): Window replacement cost calculator for the UK. Price uPVC, aluminium and timber double glazed windows per window or for a whole house, with 2026 fitted prices.
- [Building & DIY](https://calcreckon.co.uk/building/): Free building calculators for UK DIY projects: decking, tiles, topsoil, pond volume, roof pitch, stairs, steel beams and square metres. Metric, with UK rules.
- [Home Improvement Costs](https://calcreckon.co.uk/home-costs/): Free UK home improvement cost calculators. Price patios, driveways, extensions, windows, loft insulation and more with 2026 costs for your region.
- [Patio Cost Calculator UK](https://calcreckon.co.uk/home-costs/patio-cost-calculator/): Patio cost calculator for the UK. See the cost of laying a patio per m² in sandstone, porcelain or concrete slabs, labour-only rates and 2026 prices for your region.
- [Home](https://calcreckon.co.uk/): Free UK calculators with the working shown.
- [Privacy Policy](https://calcreckon.co.uk/privacy-policy/): How CalcReckon handles your data: calculator inputs stay in your browser, plus our approach to cookies, analytics, advertising and your UK GDPR rights.
- [ACB Calculator (Anticholinergic Burden Score)](https://calcreckon.co.uk/health/acb-calculator/): This ACB calculator adds up the anticholinergic burden of a medicine list using the Anticholinergic Cognitive Burden scale, where each medicine scores 1 (possible), 2 or 3 (definite).
- [Car Insurance Calculator UK (Indicative Estimate)](https://calcreckon.co.uk/motoring/car-insurance-calculator/): This car insurance calculator UK gives an indicative premium, starting from the ABI’s average price paid for motor insurance of £566 in the second quarter of 2026.
- [Police Pension Calculator (2015, 1987 and 2006 Schemes)](https://calcreckon.co.uk/pensions/police-pension-calculator/): This police pension calculator estimates your pension in today’s money.
- [Stud Wall Cost Calculator](https://calcreckon.co.uk/home-costs/stud-wall-cost-calculator/): Stud wall cost calculator UK: estimate the 2026 cost of a timber or metal stud partition wall, with insulation, a door, plaster skim and electrics, by region.
- [U-Value Calculator](https://calcreckon.co.uk/building/u-value-calculator/): U value calculator: work out the U-value of a wall, roof or floor from its layers and thermal conductivity, and compare it with Part L limits for England.
- [TV Wall Mount Height Calculator](https://calcreckon.co.uk/building/tv-wall-mount-height-calculator/): TV wall mount height calculator: find the best height for the centre of your TV from your seated eye level and screen size, plus the ideal viewing distance.
- [Brick Calculator UK](https://calcreckon.co.uk/building/brick-calculator/): Brick calculator UK: work out how many bricks you need for a wall at 60 bricks per m², plus mortar, bags of cement and sand, with openings and waste included.
- [Roof Area Calculator](https://calcreckon.co.uk/building/roof-area-calculator/): Roof area calculator: work out the area of a gable or hip roof in m² from footprint, pitch and overhangs, plus how many concrete tiles, plain tiles or slates.
- [Spindle Spacing Calculator (Part K)](https://calcreckon.co.uk/building/spindle-spacing-calculator/): Spindle spacing calculator: work out how many spindles you need for stairs or a landing and the exact gap, so no opening lets a 100 mm sphere through (Part K).
- [Downlight Spacing Calculator](https://calcreckon.co.uk/building/downlight-spacing-calculator/): Downlight spacing calculator: work out how many downlights a room needs, the spacing and distance from the walls, from room size, beam angle and lux level.
- [Off Grid Solar Calculator (UK)](https://calcreckon.co.uk/energy/off-grid-solar-calculator/): Off grid solar calculator for the UK: size solar panels, battery storage and inverter for a cabin, workshop or van from daily kWh and worst-month UK sun hours.
- [Water Meter Calculator](https://calcreckon.co.uk/energy/water-meter-calculator/): Water meter calculator UK: compare your unmetered water bill with a metered bill using 2026/27 charges and average use per person, and see what you could save.
- [Area Calculator](https://calcreckon.co.uk/maths/area-calculator/): Area calculator for rectangles, triangles, circles, trapeziums, parallelograms, ellipses and sectors. Shows the formula and working, in m², cm², ft² and more.
- [3D Printing Cost Calculator](https://calcreckon.co.uk/business/3d-printing-cost-calculator/): 3D printing cost calculator UK: work out filament, electricity at the 2026 price cap rate, printer wear, labour, failed prints and markup to price a 3D print.
- [Buttercream Calculator](https://calcreckon.co.uk/food/buttercream-calculator/): Buttercream calculator: work out how much buttercream you need to fill and cover a round or square cake, with butter and icing sugar weights at a 1:2 ratio.
- [Cake Calculator: Tin Size Converter](https://calcreckon.co.uk/food/cake-calculator/): Cake calculator: scale a cake recipe from one tin size to another, round or square. Get the recipe multiplier, new ingredient amounts, portions and baking time.
- [Air Fryer Calculator (Oven to Air Fryer)](https://calcreckon.co.uk/food/air-fryer-calculator/): Air fryer calculator: convert a conventional, fan or gas mark oven recipe to air fryer settings, lowering the temperature by about 20 °C and time by about 20%.
- [Postage Calculator UK (Royal Mail 2026)](https://calcreckon.co.uk/business/postage-calculator/): Postage calculator UK: find the Royal Mail price for a letter, large letter or parcel by weight, comparing 1st, 2nd Class and Tracked, in store or online.
- [Dog Chocolate Calculator](https://calcreckon.co.uk/pets/dog-chocolate-calculator/): Dog chocolate calculator: estimate the theobromine dose from the chocolate type, amount and your dog’s weight, with toxicity levels. Always call your vet.
- [Lambing Calculator](https://calcreckon.co.uk/pets/lambing-calculator/): Lambing calculator: work out when your ewes are due from the tupping date using a 147-day gestation, with lambing windows for each raddle colour.
- [Tattoo Cost Calculator UK](https://calcreckon.co.uk/lifestyle/tattoo-cost-calculator/): Tattoo cost calculator UK: estimate the price of a tattoo by size, detail, colour, artist hourly rate and location, from a small wrist piece to a sleeve.
- [Odds Calculator and Converter](https://calcreckon.co.uk/lifestyle/odds-calculator/): Odds calculator: convert fractional, decimal and American odds, see the implied probability and work out the return on your stake. Includes safer gambling help.
- [When Can I Drive After Drinking Calculator](https://calcreckon.co.uk/motoring/alcohol-clearance-calculator/): When can I drive after drinking calculator: count units and see roughly how long your body takes to process them. Not a safe-to-drive guide.
- [Avios Points Value Calculator](https://calcreckon.co.uk/motoring/avios-calculator/): Avios points value calculator: work out the pence per Avios you get on a reward flight after fees, and how many Avios your card spending earns.
- [Distance Calculator UK](https://calcreckon.co.uk/motoring/distance-calculator/): Distance calculator UK: find the straight-line distance between over 100 UK towns and cities in miles and km, plus an estimated road distance and driving time.
- [Car Recovery Cost Calculator](https://calcreckon.co.uk/motoring/car-recovery-cost-calculator/): Car recovery cost calculator: estimate UK breakdown recovery prices by distance, with call-out fee, cost per mile and night, weekend and motorway extras.
- [Scrap Van Prices UK Calculator](https://calcreckon.co.uk/motoring/scrap-van-price-calculator/): Scrap van prices UK: estimate what your van is worth for scrap from its kerb weight and the price per tonne, with tips on ATFs and paperwork.
- [Total Loss Car Value Calculator](https://calcreckon.co.uk/motoring/car-write-off-calculator/): Total loss car value calculator: estimate your write-off payout from market value, excess and finance, and what you get if you keep a Cat S or N car.
- [Paying Off Car Finance Early Calculator](https://calcreckon.co.uk/motoring/car-finance-settlement-calculator/): Paying off car finance early calculator: estimate your HP or PCP settlement figure, interest saved and the 50% voluntary termination amount.
- [Car Tax Calculator UK (VED 2026/27)](https://calcreckon.co.uk/motoring/car-tax-calculator/): Car tax calculator UK for 2026/27: work out VED from registration date, CO₂ and fuel type, including electric cars and the expensive car supplement.
- [MPG Calculator UK](https://calcreckon.co.uk/motoring/mpg-calculator/): MPG calculator UK: enter the litres you filled up and the miles driven to get your real miles per gallon (UK gallons), litres per 100 km and cost per mile.
- [Fuel Cost Calculator UK](https://calcreckon.co.uk/motoring/fuel-cost-calculator/): Fuel cost calculator UK: work out what a journey costs from miles, MPG and the price per litre, with return trips and the cost split between passengers.
- [Birth Chart Calculator: Sun, Moon and Rising Sign](https://calcreckon.co.uk/lifestyle/birth-chart-calculator/): Free birth chart calculator for UK births: find your Sun, Moon and rising sign from your date, time and town of birth, using real astronomical positions.
- [Bra Size Calculator UK](https://calcreckon.co.uk/lifestyle/bra-size-calculator/): Bra size calculator UK: enter your underbust and bust measurements in cm or inches to get your UK band and cup size, sister sizes and the EU equivalent.
- [Dress Size Calculator UK](https://calcreckon.co.uk/lifestyle/dress-size-calculator/): Dress size calculator UK: enter your bust, waist and hip measurements in cm or inches to find your UK dress size, with EU and US equivalents for each size.
- [School Year Calculator: When Did I Start Secondary School?](https://calcreckon.co.uk/family/school-year-calculator/): When did I start secondary school calculator: enter a date of birth to find the school year group, Reception and secondary start dates and GCSE year.
- [Baby Weight Percentile Calculator UK](https://calcreckon.co.uk/family/baby-weight-percentile-calculator/): Baby weight percentile calculator UK. Find your baby’s weight centile on the UK-WHO growth charts used in the red book, from birth to 4 years, using LMS data.
- [Height Percentile Calculator](https://calcreckon.co.uk/health/height-percentile-calculator/): Height percentile calculator using UK-WHO and UK90 growth chart data for children aged 2 to 18, plus adult height percentile and mid-parental target height.
- [QRISK Calculator (QRISK3)](https://calcreckon.co.uk/health/qrisk-calculator/): QRISK calculator using the published QRISK3-2017 equations to estimate your 10-year risk of heart attack or stroke. For discussion with your GP or nurse.
- [Cholesterol Calculator UK](https://calcreckon.co.uk/health/cholesterol-ratio-calculator/): Cholesterol calculator UK: work out your total/HDL ratio and non-HDL cholesterol, compare results with NHS healthy levels and convert between mmol/L and mg/dL.
- [Alcohol Units Calculator UK](https://calcreckon.co.uk/health/alcohol-units-calculator/): Alcohol calculator UK: count the units in beer, wine, cider and spirits, compare your weekly total with the 14-unit low-risk guideline and see the calories.
- [Protein Calculator](https://calcreckon.co.uk/health/protein-calculator/): Protein calculator using the UK reference intake of 0.75 g per kg and sports ranges up to 2.2 g/kg. See grams a day and per meal for your weight and goal.
- [BMR Calculator UK](https://calcreckon.co.uk/health/bmr-calculator/): BMR calculator UK using the Mifflin-St Jeor and Harris-Benedict equations. Works in kg or stone, cm or feet, and shows daily calories for your activity level.
- [Ideal Weight Calculator](https://calcreckon.co.uk/health/ideal-weight-calculator/): Ideal weight calculator for UK adults. See the healthy weight range for your height (BMI 18.5 – 24.9) in kg and stone, plus Devine, Robinson and Miller results.
- [BMI Calculator (NHS Categories)](https://calcreckon.co.uk/health/bmi-calculator/): Free BMI calculator using NHS categories and NICE’s lower thresholds for some ethnic groups. Works in kg or stone, cm or feet, with your healthy weight range.
- [UK Poverty Line Calculator](https://calcreckon.co.uk/benefits/poverty-line-calculator/): UK poverty line calculator: is your household income below 60% of the median before and after housing costs, adjusted for household size (DWP HBAI)?
- [Child Maintenance Calculator (CMS Formula)](https://calcreckon.co.uk/benefits/child-maintenance-calculator/): Child maintenance calculator using the CMS formula: weekly and monthly amounts from gross income, number of children, other children and shared care.
- [Universal Credit Calculator 2026/27](https://calcreckon.co.uk/benefits/universal-credit-calculator/): Universal Credit calculator 2026/27: estimate your monthly payment from the standard allowance, child and housing elements, work allowance and 55% taper.
- [How Much Rent to Pay Parents Calculator](https://calcreckon.co.uk/family/rent-to-parents-calculator/): How much rent to pay parents calculator: fair board or keep for an adult child living at home, from a share of household bills and of take-home pay.
- [House Price Calculator (UK Regions)](https://calcreckon.co.uk/property/house-price-calculator/): House price calculator: estimate how much your home’s value has changed since you bought it, using official average house prices by region from 1970 to 2025.
- [Holiday Let Profit Calculator](https://calcreckon.co.uk/property/holiday-let-calculator/): Holiday let profit calculator: income from nightly rate and occupancy, less fees, cleaning and running costs, with tax now the FHL regime has ended.
- [Rental Yield Calculator UK](https://calcreckon.co.uk/property/rental-yield-calculator/): Rental yield calculator UK: gross and net yield on a buy-to-let, monthly cash flow after letting fees, running costs and mortgage interest, and a tax estimate.
- [Help to Buy Equity Loan Calculator](https://calcreckon.co.uk/property/equity-loan-calculator/): Equity loan calculator for Help to Buy: what you owe at today’s value, interest from year 6 rising by CPI + 2% or RPI + 1% each April, and repayment cost.
- [Equity Release Calculator (Lifetime Mortgage)](https://calcreckon.co.uk/property/equity-release-calculator/): Equity release calculator: see how much a lifetime mortgage could release at your age, how compound interest rolls up the debt and how much equity is left.
- [LTV Calculator UK (Loan to Value)](https://calcreckon.co.uk/property/ltv-calculator/): LTV calculator UK: work out loan to value from the property value and mortgage, see your LTV band and the deposit or equity needed to reach a lower band.
- [Second Mortgage Calculator UK](https://calcreckon.co.uk/property/second-mortgage-calculator/): Second mortgage calculator UK: monthly repayments on a second charge mortgage or secured loan, the total cost, your combined loan to value and equity left.
- [Interest Only Mortgage Calculator](https://calcreckon.co.uk/property/interest-only-mortgage-calculator/): Interest only mortgage calculator: compare monthly payments with repayment, see the capital still owed at the end and test part and part or a savings plan.
- [Mortgage Overpayment Calculator](https://calcreckon.co.uk/property/mortgage-overpayment-calculator/): Mortgage overpayment calculator: see the interest and time you save with regular overpayments or a lump sum, and check you stay within a 10% allowance.
- [How Much Can I Borrow? Mortgage Calculator](https://calcreckon.co.uk/property/mortgage-affordability-calculator/): How much can I borrow mortgage calculator: borrowing at 4 to 5.5 times income, the home your deposit could buy and a stress-tested monthly payment.
- [Mortgage Calculator UK](https://calcreckon.co.uk/property/mortgage-calculator/): Mortgage calculator UK: work out monthly repayments on a repayment or interest-only mortgage, the total interest you will pay and how the term changes it.
- [When to Tell Work You’re Pregnant Calculator](https://calcreckon.co.uk/family/pregnancy-work-dates-calculator/): When to tell work you’re pregnant calculator. Enter your due date to find the latest date to tell your employer, the SMP qualifying week and leave dates.
- [Maternity Pay Calculator UK](https://calcreckon.co.uk/family/maternity-pay-calculator/): Maternity pay calculator UK for 2026/27. Work out Statutory Maternity Pay: 6 weeks at 90% of earnings, then £194.32 or 90% for 33 weeks, plus Maternity Allowance.
- [Pension Divorce Calculator](https://calcreckon.co.uk/pensions/pension-divorce-calculator/): Pension divorce calculator. Work out the pension sharing percentage that equalises pension values (CETVs) or income, and the cash needed to offset instead.
- [Widows Pension Calculator: Inherited State Pension](https://calcreckon.co.uk/pensions/inherited-state-pension-calculator/): Widows pension calculator for the UK. Estimate what a widow, widower or surviving civil partner may inherit from a late partner’s state pension.
- [State Pension Calculator UK](https://calcreckon.co.uk/pensions/state-pension-calculator/): State pension calculator UK. Estimate your new state pension from your NI years at the 2026/27 full rate of £241.30 a week, and find your state pension age.
- [Pension Contribution Calculator UK](https://calcreckon.co.uk/pensions/pension-contribution-calculator/): Pension contribution calculator UK. See the tax relief and real cost of paying in by relief at source, net pay or salary sacrifice, plus employer payments.
- [Immediate Care Annuity Calculator](https://calcreckon.co.uk/pensions/immediate-care-annuity-calculator/): Immediate care annuity calculator. Estimate the premium for a care fees annuity covering your shortfall by age and health. Tax-free when paid to the provider.
- [Fixed Term Annuity Calculator](https://calcreckon.co.uk/pensions/fixed-term-annuity-calculator/): Fixed term annuity calculator. Work out the yearly income a fixed-term annuity could pay over 3 to 25 years and still give a guaranteed maturity value.
- [Annuity Calculator UK](https://calcreckon.co.uk/pensions/annuity-calculator/): Annuity calculator UK. Estimate guaranteed lifetime income from your pension pot by age, single or joint life, level or rising payments and health, using 2026 rates.
- [Pension Drawdown Calculator UK](https://calcreckon.co.uk/pensions/pension-drawdown-calculator/): Pension drawdown calculator UK. See how long your pot lasts, a sustainable income to any age, your 25% tax-free cash and the income tax on withdrawals.
- [Tax Relief on Charitable Donations Calculator](https://calcreckon.co.uk/tax/charity-tax-relief-calculator/): Tax relief on charitable donations calculator. See the Gift Aid a charity claims and the extra relief higher and additional rate taxpayers can claim back.
- [Company Car Tax Calculator (BIK 2026/27)](https://calcreckon.co.uk/tax/company-car-tax-calculator/): Company car tax calculator for 2026/27. Find the BIK rate from CO2 and electric range, the taxable benefit, your tax at 20%, 40% or 45% and employer NIC.
- [Capital Gains Tax Calculator UK](https://calcreckon.co.uk/tax/capital-gains-tax-calculator/): Capital gains tax calculator UK for 2026/27. Apply the £3,000 allowance and 18% or 24% rates to gains on shares, second homes and other assets, or 18% BADR.
- [Inheritance Tax Calculator UK](https://calcreckon.co.uk/tax/inheritance-tax-calculator/): Inheritance tax calculator UK for 2026/27. Apply the £325,000 nil-rate band, £175,000 residence band and taper, spouse transfers, charity rate and pensions.
- [Tax Back Leaving UK Permanently Calculator](https://calcreckon.co.uk/tax/tax-refund-leaving-uk-calculator/): Tax back leaving UK permanently calculator. Estimate your P85 income tax refund for 2026/27 when you leave the UK part-way through the tax year.
- [Dividend Tax Calculator UK (2026/27)](https://calcreckon.co.uk/tax/dividend-tax-calculator/): Dividend tax calculator UK for 2026/27. Work out tax on dividends with the £500 allowance and the new 10.75% and 35.75% rates, alongside your salary or income.
- [NHS Back Pay Calculator (2026/27 Pay Award)](https://calcreckon.co.uk/salary/nhs-back-pay-calculator/): NHS back pay calculator for the 2026/27 Agenda for Change 3.3% pay award. See your new salary by band and pay point and any back pay owed from 1 April 2026.
- [Electric Car Salary Sacrifice Calculator](https://calcreckon.co.uk/salary/ev-salary-sacrifice-calculator/): Electric car salary sacrifice calculator. See the real monthly cost of an EV through salary sacrifice in 2026/27, with the 4% BIK rate and the tax and NI saved.
- [Holiday Pay Calculator UK](https://calcreckon.co.uk/salary/holiday-pay-calculator/): Holiday pay calculator UK. Work out statutory holiday entitlement (5.6 weeks), leave for irregular hours workers at 12.07%, and holiday pay owed when you leave.
- [SSP Calculator (Statutory Sick Pay 2026/27)](https://calcreckon.co.uk/salary/ssp-calculator/): SSP calculator for 2026/27. Work out Statutory Sick Pay under the April 2026 rules: paid from the first day off sick at £123.25 a week, or 80% of pay if lower.
- [UK Salary Percentile Calculator](https://calcreckon.co.uk/salary/salary-percentile-calculator/): UK salary percentile calculator. See where your pay ranks among full-time employees using ONS data for April 2026: median £40,911, top 10% over £82,680.
- [Contractor Calculator UK (IR35, 2026/27)](https://calcreckon.co.uk/salary/contractor-calculator/): Contractor calculator UK for 2026/27. Compare take-home pay inside IR35 via an umbrella company with outside IR35 via a limited company, with new dividend tax.
- [Overtime Calculator UK](https://calcreckon.co.uk/salary/overtime-calculator/): Overtime calculator UK. Work out overtime pay at time and a half or double time, your gross weekly pay and estimated overtime take-home after tax and NI.
- [Hourly Wage Calculator UK](https://calcreckon.co.uk/salary/hourly-wage-calculator/): Hourly wage calculator UK. Convert an hourly rate to annual salary or a salary to an hourly wage, plus daily, weekly and monthly pay, with a minimum wage check.
- [Pay Rise Calculator](https://calcreckon.co.uk/salary/pay-rise-calculator/): Pay rise calculator UK. Enter a % or £ rise to see your new salary, how much more you take home after tax and NI in 2026/27, and the real terms rise.
- [Redundancy Calculator UK (Statutory Pay 2026/27)](https://calcreckon.co.uk/salary/redundancy-pay-calculator/): Redundancy calculator UK. Work out statutory redundancy pay for 2026/27 from your age, full years of service and weekly pay, with the new £751 weekly pay cap.
- [Redundancy Tax Calculator UK](https://calcreckon.co.uk/salary/redundancy-tax-calculator/): Redundancy tax calculator UK. Estimate tax on redundancy pay in 2026/27: the first £30,000 is tax-free, but notice pay (PILON) and holiday pay are taxed as pay.
- [Salary Sacrifice Calculator (Pension, 2026/27)](https://calcreckon.co.uk/salary/salary-sacrifice-calculator/): Salary sacrifice calculator for 2026/27. See how much income tax and National Insurance you save by sacrificing salary into a pension, and the cost to your pay.
- [Take Home Pay Calculator UK (2026/27)](https://calcreckon.co.uk/salary/take-home-pay-calculator/): Take home pay calculator UK for 2026/27. Work out your net pay after income tax, National Insurance, pension and student loan, yearly, monthly and weekly.
- [Secured Business Loan Calculator UK](https://calcreckon.co.uk/business/business-loan-calculator/): Secured business loan calculator UK: compare monthly repayments, total interest and fees on secured and unsecured business loans, and the true rate with fees.
- [Car Finance Calculator UK (PCP and HP)](https://calcreckon.co.uk/motoring/car-finance-calculator/): Car finance calculator UK: compare PCP and HP monthly payments, the GMFV balloon, total interest and amount payable, and see when you can hand the car back.
- [Motorhome Finance Calculator](https://calcreckon.co.uk/motoring/motorhome-finance-calculator/): Motorhome finance calculator: work out monthly payments, total interest and total cost of a motorhome or campervan loan from the price, deposit, APR and term.
- [Fixed-Rate Bond Calculator UK](https://calcreckon.co.uk/money/bond-calculator/): Bond calculator UK: work out the interest on a fixed-rate savings bond paid monthly or yearly, tax after your Personal Savings Allowance and the maturity value.
- [Stocks and Shares ISA Calculator](https://calcreckon.co.uk/money/isa-calculator/): Stocks and shares ISA calculator: project ISA growth within the £20,000 2026/27 allowance, with monthly saving and fees, and compare it with a cash ISA.
- [Mutual Fund Calculator UK](https://calcreckon.co.uk/money/mutual-fund-calculator/): Mutual fund calculator UK: project unit trust or OEIC growth with regular investing, fund charges and platform fees, and compare an ISA with a taxable account.
- [Share Price Calculator UK](https://calcreckon.co.uk/money/share-value-calculator/): Share price calculator UK: value your shareholding and work out profit or loss, dividend yield and 0.5% stamp duty reserve tax, with dealing fees and CGT.
- [Scrap Gold Calculator UK](https://calcreckon.co.uk/money/gold-calculator/): Scrap gold calculator UK: work out what 9ct, 14ct, 18ct, 22ct or 24ct gold is worth by weight at today’s gold price, with the pure gold content.
- [Scrap Silver Calculator](https://calcreckon.co.uk/money/scrap-silver-calculator/): Scrap silver calculator: work out what sterling 925, Britannia 958 or fine 999 silver is worth by weight in grams or troy ounces at today’s silver price.
- [Personal Loan Calculator UK](https://calcreckon.co.uk/money/personal-loan-calculator/): Personal loan calculator UK: see the monthly repayment, total interest and total cost of a loan from the amount, APR and term, and compare other terms.
- [Boat Finance Calculator UK](https://calcreckon.co.uk/money/boat-finance-calculator/): Boat finance calculator UK: work out the monthly repayments, total interest and total cost of a boat or marine loan from the price, deposit, APR and loan term.
- [Heat Pump vs Gas Boiler UK 2026: Upfront Cost, Running Costs and the £7,500 Grant](https://calcreckon.co.uk/blog/heat-pump-vs-gas-boiler-cost/): Replacing a gas boiler with another one usually costs £1,800 to £3,500.
- [Income Tax and National Insurance 2026/27: Rates, Bands and What You Take Home](https://calcreckon.co.uk/blog/income-tax-national-insurance-2026-27/): The 2026/27 tax year runs from 6 April 2026 to 5 April 2027.
- [Blog](https://calcreckon.co.uk/blog/): Plain-English UK guides to tax, pay, pensions, bills and home costs. Every guide shows the numbers and links to a free calculator so you can work out your own.
- [Carbon Footprint Calculator UK](https://calcreckon.co.uk/energy/carbon-footprint-calculator/): This carbon footprint calculator UK uses the government’s 2026 greenhouse gas conversion factors.
- [Car Depreciation Calculator UK](https://calcreckon.co.uk/motoring/car-depreciation-calculator/): This car depreciation calculator estimates future value from typical rates.
- [Buy to Let Mortgage Calculator](https://calcreckon.co.uk/property/buy-to-let-mortgage-calculator/): This buy to let mortgage calculator works out borrowing the way lenders do: the rent must cover the interest at a stressed rate by 125% or 145%.
- [Budget Calculator UK](https://calcreckon.co.uk/money/budget-calculator/): This budget calculator UK adds up your monthly income and spending and shows what is left.
- [BTU Calculator UK](https://calcreckon.co.uk/energy/btu-calculator/): This BTU calculator sizes heating and air conditioning for a room.
- [Bridging Loan Calculator UK](https://calcreckon.co.uk/property/bridging-loan-calculator/): This bridging loan calculator shows the full cost of short-term property finance.
- [Bradford Factor Calculator](https://calcreckon.co.uk/salary/bradford-factor-calculator/): This Bradford Factor calculator works out an absence score as spells × spells × total days.
- [Bonus Tax Calculator UK (2026/27)](https://calcreckon.co.uk/salary/bonus-tax-calculator/): This bonus tax calculator UK shows what you keep from a bonus in 2026/27.
- [Body Fat Calculator (Navy Method)](https://calcreckon.co.uk/health/body-fat-calculator/): This body fat calculator estimates body fat percentage from a few tape measurements using the US Navy method.
- [Block Calculator UK](https://calcreckon.co.uk/building/block-calculator/): This block calculator uses the UK rule of 10 blocks per m² for standard 440 × 215 mm concrete blocks with 10 mm joints.
- [Bet Calculator UK](https://calcreckon.co.uk/lifestyle/bet-calculator/): This bet calculator works out the returns on singles, doubles, trebles, accumulators and full-cover bets such as a Yankee, each-way or win only.
- [Arbitrage Calculator (2-way and 3-way)](https://calcreckon.co.uk/lifestyle/arbitrage-calculator/): This arbitrage calculator checks whether odds across bookmakers add up to a guaranteed return.
- [Airbnb Calculator UK](https://calcreckon.co.uk/property/airbnb-calculator/): This Airbnb calculator UK turns your nightly rate and occupancy into profit: £120 a night at 60% occupancy is about £26,280 a year in bookings, and after a 15.5% host-only fee, cleaning and £350 a month of costs leaves roughly £17,190 before tax and mortgage.
- [Age Calculator (Years, Months and Days)](https://calcreckon.co.uk/maths/age-calculator/): This age calculator gives your exact age from your date of birth in years, months and days.
- [Capital Gains Tax on Inherited Property Calculator](https://calcreckon.co.uk/tax/cgt-inherited-property-calculator/): This capital gains tax on inherited property calculator uses the value at the date of death (usually the probate value) as your base cost, so only the rise since then is taxed.
- [Building Insurance Cost Calculator](https://calcreckon.co.uk/property/buildings-insurance-calculator/): This building insurance cost calculator gives an indicative premium starting from the UK average: buildings-only cover cost £306 a year on average in early 2026, according to the Association of British Insurers.
- [Standing Seam Metal Roof Cost Calculator](https://calcreckon.co.uk/home-costs/standing-seam-roof-cost-calculator/): A standing seam metal roof cost in the UK in 2026 is about £120 – £160 per m² installed in coated steel, £130 – £170 in aluminium, £150 – £200 in zinc and £220 – £400 in copper.
- [Tax on Inheritance From Abroad (UK Residents)](https://calcreckon.co.uk/tax/inheritance-from-abroad-calculator/): If you are a UK resident receiving inheritance from abroad, you do not pay UK inheritance tax on what you receive: inheritance tax is charged on the estate of the person who died, not on the beneficiary.
- [Historical Investment Calculator UK](https://calcreckon.co.uk/money/historical-investment-calculator/): This historical investment calculator UK shows what a sum invested at the start of any year since 1999 would have been worth at the end of 2025, with dividends reinvested.
- [Volume Calculator](https://calcreckon.co.uk/maths/volume-calculator/): This volume calculator works out the volume of common 3D shapes and converts it to cubic metres, litres and gallons.
- [Light Bulb Running Cost Calculator](https://calcreckon.co.uk/energy/light-bulb-cost-calculator/): This light bulb running cost calculator compares the cost of LED and older bulbs at the current electricity rate.
- [Excess Mileage Calculator](https://calcreckon.co.uk/motoring/excess-mileage-calculator/): This excess mileage calculator projects your mileage at the end of a PCP or lease and the charge for going over.
- [Investment Calculator UK](https://calcreckon.co.uk/money/investment-calculator/): This investment calculator UK projects how a lump sum and regular monthly payments could grow, after fund and platform fees and any tax, and shows the result in today’s money.
- [APR Calculator](https://calcreckon.co.uk/money/apr-calculator/): This APR calculator works out the annual percentage rate of a loan from what you borrow, any fees and the repayments, using the same discounted cash flow method UK lenders must use.
- [Flight Delay Compensation Calculator (UK261)](https://calcreckon.co.uk/motoring/flight-delay-compensation-calculator/): This flight delay compensation calculator applies the UK261 rules: if you reach your destination more than three hours late, you can claim £220, £350 or £520 per passenger depending on the flight distance.
- [Groundworks Cost Calculator](https://calcreckon.co.uk/home-costs/groundworks-cost-calculator/): This groundworks cost calculator prices the work below ground for an extension, garage or outbuilding.
- [Heat Pump Cost Calculator](https://calcreckon.co.uk/energy/heat-pump-cost-calculator/): This heat pump cost calculator takes your installation quote off the £7,500 Boiler Upgrade Scheme grant and compares running costs with your current boiler.
- [Corrected Calcium Calculator](https://calcreckon.co.uk/health/calcium-correction-calculator/): This corrected calcium calculator adjusts a total calcium result for the albumin level using the standard formula: adjusted calcium = measured calcium + 0.02 × (40 – albumin).
- [Tax on Medical Insurance Calculator](https://calcreckon.co.uk/tax/medical-insurance-tax-calculator/): This tax on medical insurance calculator works out the benefit-in-kind tax on private medical insurance paid by your employer.
- [Retaining Wall Cost Calculator](https://calcreckon.co.uk/home-costs/retaining-wall-cost-calculator/): The retaining wall cost in the UK is about £120 to £250 per m² of wall face for timber sleepers, £180 to £350 for brick and £250 to £450 for reinforced concrete in 2026.
- [Notice Period Calculator UK](https://calcreckon.co.uk/salary/notice-period-calculator/): This notice period calculator UK works out how much notice applies and your last day.
- [Grout Calculator](https://calcreckon.co.uk/building/grout-calculator/): This grout calculator uses the standard formula: kg per m² = (tile length + tile width) × joint width × joint depth × density ÷ (tile length × tile width).
- [Book Printing Cost Calculator UK](https://calcreckon.co.uk/business/book-printing-cost-calculator/): This book printing cost calculator UK compares print on demand with a short print run.
- [Personal Injury Compensation Calculator UK](https://calcreckon.co.uk/benefits/personal-injury-calculator/): This personal injury compensation calculator UK gives a starting range for general damages, using the 18th edition of the Judicial College Guidelines (April 2026) or the fixed whiplash tariff for road accidents.
- [UK Visa Fee Calculator 2026](https://calcreckon.co.uk/benefits/visa-fee-calculator/): This UK visa fee calculator adds the Home Office application fee to the Immigration Health Surcharge (IHS).
- [State Pension Top Up Calculator](https://calcreckon.co.uk/pensions/state-pension-top-up-calculator/): This state pension top up calculator shows whether paying voluntary National Insurance is worth it.
- [Blinds Cost Calculator](https://calcreckon.co.uk/home-costs/blinds-cost-calculator/): The blinds cost for a made-to-measure roller blind on a standard window is about £40 to £90 supplied and fitted in 2026, Roman blinds about £90 to £160 and plantation-style shutters about £300 to £550 per window.
- [Markup Calculator](https://calcreckon.co.uk/business/markup-calculator/): This markup calculator turns a cost price into a selling price.
- [How Many Fish in a Tank Calculator](https://calcreckon.co.uk/pets/fish-tank-stocking-calculator/): This how many fish in a tank calculator uses the common guideline of about 1 cm of adult fish per litre of water for tropical fish, checked against the tank’s surface area.
- [Pension Tax Calculator UK](https://calcreckon.co.uk/pensions/pension-tax-calculator/): This pension tax calculator UK works out the tax on a pension withdrawal in 2026/27.
- [Course Handicap Calculator (WHS)](https://calcreckon.co.uk/lifestyle/golf-handicap-calculator/): This course handicap calculator uses the World Handicap System formula: Handicap Index × (Slope Rating ÷ 113) + (Course Rating − Par).
- [Bad Credit Loan Calculator](https://calcreckon.co.uk/money/bad-credit-loan-calculator/): This bad credit loan calculator shows what a high-APR loan really costs.
- [Is £1 Million Enough to Retire in the UK?](https://calcreckon.co.uk/pensions/retire-on-1-million-calculator/): For most people, the answer to is 1 million enough to retire UK is yes: a £1 million pension at 60 can pay roughly £42,000 a year after tax in today’s money until age 95, including the full state pension from 67, assuming 5% growth, 0.75% charges and 2.5% inflation.
- [Umbrella Company Calculator (2026/27)](https://calcreckon.co.uk/salary/umbrella-calculator/): This umbrella company calculator shows what you take home from your assignment rate.
- [Car Running Cost Calculator UK](https://calcreckon.co.uk/motoring/car-running-cost-calculator/): This car running cost calculator adds up everything your car costs.
- [Crypto Tax Calculator UK (2026/27)](https://calcreckon.co.uk/tax/crypto-tax-calculator/): This crypto tax calculator UK applies HMRC’s pooling rules and 2026/27 capital gains tax rates.
- [Car Delivery Cost Calculator](https://calcreckon.co.uk/motoring/car-delivery-cost-calculator/): This car delivery cost calculator estimates what a car transport company will charge.
- [Settlement Agreement Calculator UK](https://calcreckon.co.uk/salary/settlement-agreement-calculator/): This settlement agreement calculator totals a typical package and the tax on it.
- [Dividend vs Salary Calculator (2026/27)](https://calcreckon.co.uk/tax/dividend-vs-salary-calculator/): This dividend vs salary calculator compares paying yourself extra company profit as salary or as dividends.
- [Spousal Maintenance Calculator UK](https://calcreckon.co.uk/benefits/spousal-maintenance-calculator/): This spousal maintenance calculator UK gives a rough range using two common starting points.
- [Calorie Deficit Calculator](https://calcreckon.co.uk/health/calorie-deficit-calculator/): This calorie deficit calculator estimates the calories you burn each day and a safe target for losing weight.
- [Tax Code Calculator UK (2026/27)](https://calcreckon.co.uk/tax/tax-code-calculator/): This tax code calculator UK explains your tax code and the tax it takes.
- [Car Service Cost Calculator UK](https://calcreckon.co.uk/motoring/car-service-cost-calculator/): This car service cost calculator UK estimates what you should pay for a service.
- [Radiator BTU Calculator](https://calcreckon.co.uk/energy/radiator-btu-calculator/): This radiator BTU calculator estimates a room’s heat loss on a cold day and the radiator output needed to match it.
- [Letting Agent Fees Calculator](https://calcreckon.co.uk/property/property-management-fees-calculator/): This letting agent fees calculator works out what an agent costs you each year, including VAT.
- [Limited Company Tax Calculator (2026/27)](https://calcreckon.co.uk/tax/limited-company-tax-calculator/): This limited company tax calculator shows how much a director takes home after corporation tax, employer NI, income tax and dividend tax in 2026/27.
- [Early Retirement Calculator UK](https://calcreckon.co.uk/pensions/early-retirement-calculator/): This early retirement calculator UK works out the pot you need to stop work before your state pension starts.
- [Zakat Calculator UK](https://calcreckon.co.uk/money/zakat-calculator/): This zakat calculator UK works out zakat at 2.5% of your zakatable wealth once it has been above the nisab for a lunar year.
- [Shared Ownership Calculator](https://calcreckon.co.uk/property/shared-ownership-calculator/): This shared ownership calculator adds up your monthly costs: a mortgage on the share you buy, rent on the share you do not own and the service charge.
- [Dog Food Calculator](https://calcreckon.co.uk/pets/dog-food-calculator/): This dog food calculator uses the vets’ resting energy formula, 70 × body weight in kg to the power 0.75, multiplied by a factor for life stage.
- [Sleep Calculator: Bedtime and Wake-up Times](https://calcreckon.co.uk/health/sleep-calculator/): This sleep calculator times your bedtime to whole sleep cycles of about 90 minutes, so you are more likely to wake between cycles.
- [Home Equity Loan Calculator UK](https://calcreckon.co.uk/property/heloc-calculator/): This home equity loan calculator UK shows how much you could borrow against your home and what it would cost.
- [Solar Panel Cost Calculator (UK)](https://calcreckon.co.uk/energy/solar-panel-cost-calculator/): This solar panel cost calculator estimates your cost, savings and payback.
- [Tax on Rental Income Calculator](https://calcreckon.co.uk/tax/rental-income-tax-calculator/): This tax on rental income calculator works out the extra income tax you pay as a landlord.
- [Criminal Injuries Compensation Calculator](https://calcreckon.co.uk/benefits/criminal-injury-calculator/): This criminal injuries compensation calculator estimates an award under the Criminal Injuries Compensation Scheme 2012, where injury payments range from £1,000 to £250,000.
- [Private Jet Charter Cost Calculator](https://calcreckon.co.uk/motoring/charter-flight-cost-calculator/): This private jet charter cost calculator gives an indicative price from typical hourly rates: a light jet costs roughly £2,440 – £3,650 per flight hour, so a return trip of two hours each way for four people comes to about £10,900 – £16,200 including fees and Air Passenger Duty.
- [Pension Pot Calculator UK](https://calcreckon.co.uk/pensions/pension-pot-calculator/): This pension pot calculator UK projects what your defined contribution pension could be worth when you retire.
- [Probate Fees Calculator (England and Wales)](https://calcreckon.co.uk/benefits/probate-fees-calculator/): This probate fees calculator uses the court fees that took effect on 13 July 2026: £526 to apply for probate when the estate is worth more than £5,000, nothing for smaller estates, and £2 for each extra copy of the grant ordered with your application.
- [NHS Pension Calculator (2015 Scheme)](https://calcreckon.co.uk/pensions/nhs-pension-calculator/): This NHS pension calculator projects your 2015 scheme pension: each year you build up 1/54 of that year’s pensionable pay, revalued by CPI plus 1.5% while you are working.
- [Import Tax Calculator UK](https://calcreckon.co.uk/tax/import-tax-calculator/): This import tax calculator UK works out what you pay when goods arrive from abroad: no customs duty on non-excise goods worth £135 or less, but over £135 you pay duty plus 20% import VAT and a handling fee.
- [Corporation Tax Calculator (2026/27)](https://calcreckon.co.uk/tax/corporation-tax-calculator/): This corporation tax calculator applies the 19% small profits rate, 25% main rate and marginal relief in between.
- [Over 60 Life Insurance Calculator (Indicative)](https://calcreckon.co.uk/money/life-insurance-calculator/): This over 60 life insurance calculator gives indicative premiums, not quotes. Which?
- [Credit Card Repayment Calculator UK](https://calcreckon.co.uk/money/credit-card-calculator/): This credit card repayment calculator UK compares minimum payments with a fixed monthly amount.
- [PIP Points Calculator (2026/27 Rates)](https://calcreckon.co.uk/benefits/pip-calculator/): This PIP points calculator adds up the descriptor points for each activity.
- [Savings Calculator UK](https://calcreckon.co.uk/money/savings-calculator/): This savings calculator UK shows how long it takes to hit a savings goal, or how much you need to save each month.
- [Home Insurance Calculator (Indicative)](https://calcreckon.co.uk/property/home-insurance-calculator/): This home insurance calculator gives an indicative premium, not a quote.
- [Self Employed Tax Calculator UK (2026/27)](https://calcreckon.co.uk/tax/self-employed-tax-calculator/): This self employed tax calculator UK works out income tax and Class 4 National Insurance on your 2026/27 profits.
- [Tyre Pressure Calculator (PSI, Bar, kPa)](https://calcreckon.co.uk/motoring/tyre-pressure-calculator/): This tyre pressure calculator converts between PSI, bar and kPa and suggests a pressure for your load. For example, 32 PSI is 2.21 bar or 221 kPa.
- [How Much Do I Need to Retire? UK Calculator](https://calcreckon.co.uk/pensions/retirement-calculator/): This how much do I need to retire UK calculator works out the pension pot for your target income.
- [EV Charging Cost Calculator UK](https://calcreckon.co.uk/motoring/ev-charging-cost-calculator/): This EV charging cost calculator UK compares home and public charging.
- [Heat Pump Running Cost Calculator](https://calcreckon.co.uk/energy/heat-pump-kwh-calculator/): This heat pump running cost calculator compares a heat pump with your gas boiler.
- [Rent Increase Calculator (Renters’ Rights Act 2026)](https://calcreckon.co.uk/property/rent-increase-calculator/): This rent increase calculator works out the new rent and the earliest date it can start. A 5% rise on £1,200 a month is £1,260 a month (£720 a year more).
- [Auction Fees Calculator UK](https://calcreckon.co.uk/business/auction-fees-calculator/): This auction fees calculator UK shows what you really pay or receive at auction.
- [Van Finance Calculator (HP and Lease)](https://calcreckon.co.uk/motoring/van-finance-calculator/): This van finance calculator works out the monthly cost of a van on hire purchase or lease.
- [Macro Calculator (Protein, Carbs and Fat)](https://calcreckon.co.uk/health/macro-calculator/): This macro calculator splits a daily calorie target into grams of protein, carbohydrate and fat: a 2,000 kcal day at 25% protein, 50% carbs and 25% fat is 125 g protein, 250 g carbs and 56 g fat.
- [TDEE Calculator (Total Daily Energy Expenditure)](https://calcreckon.co.uk/health/tdee-calculator/): This TDEE calculator estimates the calories you burn in a day: your basal metabolic rate (BMR) multiplied by an activity factor.
- [Part Time Salary Calculator (Pro Rata)](https://calcreckon.co.uk/salary/part-time-salary-calculator/): This part time salary calculator works out your pro rata pay: full-time salary × your hours ÷ full-time hours.
- [Child BMI Percentile Calculator (UK)](https://calcreckon.co.uk/family/child-percentile-calculator/): This child percentile calculator works out a child’s BMI centile against UK growth reference data for ages 2 to 18.
- [Turkey Cooking Time Calculator](https://calcreckon.co.uk/food/turkey-cooking-calculator/): This turkey cooking time calculator uses the Food Standards Agency guide: at 180°C (160°C fan, gas mark 4) allow 45 minutes per kg plus 20 minutes under 4.5 kg, 40 minutes per kg from 4.5 to 6.5 kg and 35 minutes per kg over 6.5 kg.
- [Energy Bill Calculator UK](https://calcreckon.co.uk/energy/energy-bill-calculator/): This energy bill calculator UK works out your gas and electricity costs from your usage, unit rates and standing charges.
- [Water Usage Calculator](https://calcreckon.co.uk/energy/water-usage-calculator/): This water usage calculator adds up the litres your household uses each day, activity by activity.
- [kWh Cost Calculator (Appliance Running Costs)](https://calcreckon.co.uk/energy/kwh-cost-calculator/): This kWh cost calculator works out what an electrical appliance costs to run.
- [Net to Gross Calculator UK (Reverse Tax 2026/27)](https://calcreckon.co.uk/salary/reverse-tax-calculator/): This net to gross calculator UK works backwards from the take-home pay you want.
- [Interest Rate Calculator](https://calcreckon.co.uk/money/interest-rate-calculator/): This interest rate calculator finds the annual rate that turns one amount into another over a set time.
- [Depreciation Calculator UK](https://calcreckon.co.uk/business/depreciation-calculator/): This depreciation calculator UK builds a year-by-year schedule using straight-line or reducing balance depreciation.
- [Amazon FBA Calculator UK](https://calcreckon.co.uk/business/fba-calculator/): This Amazon FBA calculator UK works out your profit per unit after Amazon’s fees and VAT.
- [eGFR Calculator (CKD-EPI Creatinine)](https://calcreckon.co.uk/health/egfr-calculator/): This eGFR calculator uses the CKD-EPI creatinine equation, which NICE recommends without an ethnicity adjustment.


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