Dog Age in Human Years: Why the Seven-Year Rule Falls Short
A dog's first years move quickly, but age does not translate at a constant rate. Learn how life stage and adult size make a better comparison than multiplying by seven.
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Pet Calculators
Browse all 4 calculators in this category.
4 free pet calculators for dog, cat and horse age, pregnancy timelines, puppy size and daily energy needs.
Explore 4 helpful tools for caring for dogs, cats and horses. Compare pet ages with human years, estimate gestation dates, predict a puppy's adult size and find a daily energy starting point. These estimates cannot replace your veterinarian's advice.
Pet Age Calculator
Compare dog, cat and horse ages in human years
Pet Gestation Calculator
Estimate pregnancy dates for pets
Dog Size Predictor
Estimate a puppy's adult size
Pet Calorie Calculator
Estimate daily energy needs for pets
Guides and explanations
Explore practical examples and the reasoning behind these calculations.
Pet Pregnancy Timelines for Dogs, Cats, and Horses
Compare typical gestation lengths for dogs, cats, and horses, and learn why a mating date gives only an approximate due date.