Pet age calculator

Pet Age Calculator for Dogs and Cats

Estimate your pet's human-age equivalent and life stage, then use PetSignalAI when a visible behavior change looks unusual for that stage.

Pet type

Dog size

Age in years

Extra months

Estimated human age

human years

Life stage

Adult

This is an educational estimate. Breed, body condition, medical history, and activity level can change aging patterns.

Age helps interpret body language

A senior pet that starts hiding, panting at rest, or avoiding touch deserves a different level of attention than a young pet learning a new routine.