Care decisions, actually answered.
20 free calculators for feeding, age, walks, costs, and breed compatibility — with the math vets actually use.
Most popular pet calculators
What thousands of owners are using right now.
NUTRITIONDog Food Calculator
Daily portions in cups and grams, based on RER/DER vet formulas.
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NUTRITIONCat Weight Loss Calculator
Calorie and portion targets for feline weight management.
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HEALTHPet Age Calculator
Convert pet age to human years, adjusted for breed size.
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LIFESTYLEDog Walking Calculator
Recommended daily distance by breed, age, and weather.
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BREEDSBreed Selector
Find breeds that fit your home, schedule, and family.
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FUNPet Name Generator
Hundreds of names filtered by style and species.
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Comprehensive calculators and tools organized by category.
Nutrition & feeding
Dog food, raw diets, cat calories, food safety — the math vets use.
Dog Food Calculator
Daily portions in cups and grams, based on RER/DER vet formulas.
Cat Weight Loss Calculator
Calorie and portion targets for feline weight management.
Raw Diet Planner
BARF meal plans — muscle, organ, and bone ratios by weight.
Food Safety Checker
Check any ingredient against known pet toxicity data.
Health & wellness
Age, vet costs, insurance, vaccinations, weight tracking.
Pet Age Calculator
Convert pet age to human years, adjusted for breed size.
Vet Cost Estimator
Annual vet cost estimates by region and pet type.
Pet Insurance Calculator
Compare plan costs against your pet's expected care.
Vaccination Schedule
Personalized vaccination timelines from puppy to senior.
Weight Tracker
Track body condition score over time.
Lifestyle & care
Walking schedules, litter, travel, adoption costs.
Dog Walking Calculator
Recommended daily distance by breed, age, and weather.
Litter Box Calculator
Optimal cleaning schedule for single and multi-cat homes.
Pet Travel Estimator
Costs and logistics for flying or driving with a pet.
Adoption Cost Calculator
First-year budget estimate — supplies, vet, food, extras.
Breed information
Lifespan, selectors, compatibility — 100+ dogs, 50+ cats.
Fun & social
Names, birthdays, horoscopes, memories.
Pet Name Generator
Hundreds of names filtered by style and species.
Birthday Calculator
Exact age in months, weeks, and human-year equivalent.
Pet Horoscope
Personality notes based on birth date and breed.
Pet Memories
Log milestones, earn badges, and build a timeline.
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Insights
Vet-written guides, owner deep-dives, and the science behind every calculator.
Where Calculator Estimates Undershoot Reality
I logged every dog expense for a year. Here is where the math is off.
Frenchies and Exercise: The Brachycephalic Balance
How much walking is too much — and the signs to watch for.
Raw Diets: What the Evidence Says
Three peer-reviewed reviews, no marketing, no zealotry.
Built differently from the start
Free to use, vet-reviewed, and privacy-focused.
Veterinarian approved
Every formula is reviewed by our 12-vet board, with names, credentials, and disclosures.
Privacy-first
Calculations run in your browser. Your pet's data never leaves your device — unless you sign in to save.
Location-specific
Costs and recommendations adjusted for your US state or EU country. No generic averages.
Breed-specific
Personalized results based on 100+ dog breeds and 50+ cat breeds, calibrated to each.