Ever wondered how old your furry friend is in human years? Select pet type and age to find out!
🐶 Your small dog is about 31 human years old, in their prime!
A 1-year-old dog is approximately 15 human years old. Different breeds age differently — small dogs mature faster, while large dogs age faster overall.
A 1-year-old cat ≈ 15 human years, 2 years ≈ 24, then about 4 human years per additional cat year. Cats are fully mature by age 2.
Large dogs have faster growth rates, more cell divisions, and higher oxidative stress. A Great Dane is senior at 7 while a Chihuahua can live past 15.
This calculator uses veterinary research-based formulas. Individual breeds may vary. Consult your vet for breed-specific assessment.