Dog Age Calculator
Convert Dog Years to Human Years - Instantly
Using the UC San Diego DNA methylation model published in Cell Systems in 2020. It is more realistic than the old x7 rule and works across all breeds and size categories.
My Dogs integration
Load a saved profile or save this age setup for faster repeat checks.
My dog's size
Or search by breed
521+ breedsThe right-side preview updates instantly. The button reveals the full age report below.
Did you know?
Dogs do not age on a flat x7 curve.
A one-year-old dog is already deep into early adulthood. The DNA methylation model shows how quickly early canine aging happens and why size matters more as dogs move into mature and senior years.
Live preview
Your dog
49
human years
Current life stage
Adult
Based on 3.00 dog years and the medium size profile.
Dog age -> human age
Enter your dog's details, then open the full report for life stage context, formula breakdown, health advice cards, and a shareable result image.