Dog Calculator Tools
Science-backed calculators for dog age, lifespan, weight, nutrition, and development.
Dog Age Calculator
Your dog's age in human years, using the UCSD 2020 epigenetic formula adjusted for size and breed.
Use calculatorLife Expectancy Calculator
Estimated lifespan for your breed, based on RVC VetCompass veterinary records of 584,000+ dogs.
Use calculatorSenior Threshold Calculator
When your dog becomes a senior, based on breed and size-specific Fortney 2012 thresholds.
Use calculatorIdeal Weight Calculator
Your dog's ideal weight, using Body Condition Score assessment (Laflamme 9-point scale).
Use calculatorDaily Calorie Calculator
Daily caloric needs based on weight, life stage, and activity level (NRC 2006 formulas).
Use calculatorDaily Food Calculator
How much to feed your dog each day, by caloric need and food density.
Use calculatorPuppy Growth Calculator
Expected adult weight and growth timeline, based on current weight and breed size.
Use calculatorPregnancy Calculator
Gestation timeline with key milestones from mating to expected whelping date.
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