Free pet tools
Tools for every stage of your pet's life
Simple, trustworthy calculators that help you understand and care for your dog or cat, from the puppy months to the gentle senior years.

Our tools

Dog Age Calculator
Convert dog years to human years by size and breed, and see your dog's life stage.

Puppy Vaccination Schedule
Every puppy shot and vet visit, with your dates and calendar reminders.

Puppy Growth Predictor
Estimate your puppy's adult weight from their age and weight today.

Dog Food Calculator
Daily calories and cups for your dog, by weight, age, and activity.

Dog Pregnancy Calculator
Find your dog's due date and what to expect each week of pregnancy.

Dog Heat Cycle Calculator
See which stage of heat she's in and when her next heat is due.

Dog Temperature Checker
Check whether your dog's temperature is normal, a fever, or an emergency.

Dog Chocolate and Grape Toxicity Checker
Check how worried to be if your dog ate chocolate or grapes.

Cat Age Calculator
Convert cat years to human years and see your cat's life stage.

Cat Calorie Calculator
Daily calories for your cat, and how much dry or wet food that is.

Cat Temperature Checker
Check whether your cat's temperature is normal, a fever, or an emergency.

Cat Pregnancy Calculator
Find your cat's due date and what to expect each week of pregnancy.
More cat tools are on the way. See all cat tools
Food safety
What can dogs and cats eat?
Grapes, chocolate, peanut butter, cheese? Check 48 common human foods in seconds, with why each one is safe or dangerous and what to do if your pet already ate it.
Popular questions
- grapesCan cause sudden kidney failure, even in small amounts.No
- chocolateDark, baking, and cocoa are the most dangerous. Can cause seizures.No
- bananasA healthy treat in small amounts. Remove the peel.Yes
- applesCrunchy and healthy. Remove the core, seeds, and stem.Yes
- peanut butterPlain and unsalted only. Never with xylitol (birch sugar).Only with care
Ask Pawrennial
Have a question about your pet?
Ask in your own words and we'll find the answer in our guides, each written from veterinary sources.
Answers come from our guides, not from a vet. Always check with your vet about your own pet.
Made for the whole journey
A puppy, a busy young dog, and a sleepy senior all need different things from you. Pawrennial is a small collection of tools built around those stages, so you can answer everyday questions quickly and get back to enjoying your pet.
Every tool is free, works on your phone, and needs no account. Birthday notes by email are optional.
Estimates you can trust
Our numbers come from published veterinary guidelines and peer-reviewed research, and we show our working. They are estimates for general information, not medical advice, and your vet is always the best judge of your pet's health.
Read how we calculate our numbers