433+ Free Dog Calculators
Every dog calculator in one place — age, nutrition, toxicity, medication, clinical and more. All completely free.
New Features
Powerful new tools added to make dog care even easier
Dog Health Glossary
74 veterinary terms explained — BCS, RER, COI, GDV and more. With A–Z search.
Explore →Puppy Weight Tracker
Log weekly weights, plot growth charts, and estimate adult size — all in your browser.
Start Tracking →Vet Visit Report
Build a printable pre-appointment summary — symptoms, meds, questions — in 2 minutes.
Build Report →Breed Hub Pages
28 breeds — Labradors, German Shepherds, French Bulldogs and more — with breed-specific tools.
Browse Breeds →Most Popular Tools
🐕 Browse by Dog Care Category
13 categories covering every aspect of dog health — age, nutrition, medication, toxicity, breeding and more.
Recently Added
Age & Years
Dog age, human years, life stages and senior milestones.
Puppy Care
Puppy weight trackers, feeding guides and growth charts.
Breeding
Heat cycles, fertility windows, due dates and whelping.
Food & Nutrition
Calorie calculators, feeding guides, BARF and diet tools.
💊 117 Medication Dosage Calculators
Weight-based dosage reference for the most common dog medications — always free, always science-backed.
Weight & Size
Ideal weight, BMI, growth tracking and body condition.
Toxicity & Safety
Emergency toxicity calculators — chocolate, xylitol and more.
Medication & Dosage
Weight-based dosage reference for 100+ medications.
🏩 Clinical & Veterinary Tools
35 professional-grade tools for fluid therapy, ECG, haematology and emergency dosing — used by vet students and professionals.
Clinical & Veterinary
Veterinary clinical tools — fluid therapy, ECG, haematology.
Genetics & Colour
Coat colour genetics and inbreeding coefficient calculators.
Lifestyle & Activity
Crate size, harness fit, fence height and activity tools.
Cost & Legal
Pet insurance, cost of ownership and vet budgeting tools.
Health & Wellbeing
Life expectancy, body condition and wellness calculators.
Fun & Special
Name generators, breed finders and fun calculators.
⚠️ Emergency Toxicity Calculators
If your dog ate chocolate, xylitol, grapes or ibuprofen — get an instant risk assessment. 24 free toxicity tools.