Pet Age Calculator

Scientifically accurate age conversion based on DNA methylation research and veterinary guidelines

Select Your Pet

Pet's Age

years

Human Equivalent

years old

Life Stage Adult

Baby Young Adult Senior Geriatric

Months

1095

Days

25%

of Lifespan

16 × ln(age) + 31

Based on UC San Diego DNA methylation research. Dogs age rapidly in their first 2 years, then the rate slows down.

💡

A 2-year-old dog is equivalent to a 42-year-old human, not 14! The old "multiply by 7" rule is outdated.

Pet Age	Human Equivalent	Life Stage	Care Notes