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ADVANCE Human Age Calculator

Ever wonder how old your dog is in human years? Not all breeds age alike, so use this program to calculate your dog's "human" age.

What age is your dog?

What size is your dog?


This tool will calculate your dog’s biological age based on years and size, but many other factors play in finding out your dog’s true biological age. Weight, heart health, pre-existing conditions and many other things will contribute to your dog’s projected lifespan.

Source - Patronek, J., Waters, D.J, Glickman, L.T.,(1997). Comparative Longevity of Pet Dogs and Humans: Implications for Gerontology Research. Journal of Gerontology: Vol. 52A, No. 3. Table 1. Physiological Age of Mixed Breed Dogs, in Human Years, According to the Dog's Chronological Age and Body Weight