Pet & Animal Calculators
Free pet and animal calculators for UK owners and smallholders.
- Calculators4
- Rules and figuresUK, November 2026
- CostFree, no sign-up
Pets & animals calculators
Lambing calculatorExpected lambing dates from the date the tups went in.Dog chocolate toxicityTheobromine dose from chocolate type, amount and your dog’s weight.Dog foodDaily grams of dry, wet or raw food for your dog.Fish tank stockingHow many fish your aquarium can hold, by litres and surface.
What each calculator does
| Calculator | What it works out |
|---|---|
| Lambing calculator | Expected lambing dates from the date the tups went in. |
| Dog chocolate toxicity | Theobromine dose from chocolate type, amount and your dog’s weight. |
| Dog food | Daily grams of dry, wet or raw food for your dog. |
| Fish tank stocking | How many fish your aquarium can hold, by litres and surface. |
Using these calculators
If your pet has eaten something harmful or seems unwell, call your vet straight away.