Calculators for the questions pets make you ask.
How big will my puppy get? Is the chocolate my dog just ate dangerous? Free tools that give you a clear answer in seconds, based on veterinary references and published research.
Dog calculators
- Puppy weight calculator Estimate your puppy's adult weight and see a growth chart month by month. Open
- Dog chocolate toxicity calculator Check how dangerous the chocolate your dog ate is and what to do next. Open
Coming soon for dogs:
- Dog age in human years
- How much to feed your dog
- Dog pregnancy and due date
Cat calculators
Coming soon for cats:
- Cat age in human years
- How much to feed your cat
Estimates you can check
Every calculator explains how it works and which sources it uses, so you can see where a number comes from. Results are estimates to help you decide what to do next. They don't replace your vet, and anything that looks like poisoning or illness should go to a vet straight away.