Free tools

Pet calculators, sizers, and decision helpers.

Practical tools built from peer-reviewed veterinary formulas — no accounts, no email gates, no ads in the calculator itself.

Dog Age Calculator

Convert your dog's age to human years using the AVMA 2025 formula, calibrated by breed size.

Estimate daily calorie needs and cup-equivalents based on your dog's weight, age, and activity level.

Estimate daily calories and portion sizes for kittens, adult cats, and seniors.