Convert your dog or cat's age to human years with breed-appropriate formulas — no more "multiply by 7".
Dogs: 16 × ln(age) + 31 with size adjustments. Cats: 15/24/28 progression.
Cats age fastest in their first two years, then ~4 human years per cat year.
Large and giant breeds age faster than small dogs.
Puppy, junior, adult, senior and geriatric stage labels included.
Track your own health and fitness alongside your pet's.