Free tools for pet owners
Everyday answers for pet owners
Quick, free calculators and plain-language guides. Every tool explains how it works and where its numbers come from, so you can judge the result for yourself.
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For every kind of companion
Dogs, cats, rabbits, birds, fish and more. Different animals need different care, and we write with that in mind.
- Dogs
- Cats
- Rabbits
- Hamsters
- Birds
- Fish
- Turtles
Tools
Simple calculators that explain their method and cite their sources.
Dog Age Calculator
Convert your dog’s age to human years, adjusted for size, with the life stage it is in.
Open toolCat Age Calculator
See how old your cat is in human years, which life stage it is in, and what care it needs now.
Open toolPet Food Calculator
Estimate daily calories and grams or cups of food for your dog or cat, using the formula vets use.
Open toolCan Dogs Eat This?
Look up 24 common foods: which are safe, which need care, and which are toxic for dogs.
Open toolToxic and Safe Plants
Check 26 common house and garden plants for cats and dogs, from deadly lilies to pet-safe palms.
Open toolPet Name Generator
Name ideas by style and gender, from cute and classic to food, nature and mythology.
Open toolDog Parks by City
Maps of dog parks, off-leash areas and dog-friendly parks in 10 cities, with size, fencing and directions.
Open toolPet Care Guides
Clear, practical guides to keeping pets safe through the seasons and caring for smaller companions, with the sources we used.
Found a stray animal?
Get clear, safe next steps in under a minute, from kittens without a mother to a lost dog.
How we build our tools
Three rules we follow for every page on this site.
Sourced
Formulas and thresholds come from published veterinary research or guidelines, and each tool page cites them.
Transparent
We show the method, not just the answer, and point out where a simple estimate stops being reliable.
Private
Calculators run entirely in your browser. What you type is never sent to our servers.
How old is your dog in human years?
Find out in 30 seconds, with the science explained.