What's Your Dog's Age in Human Years

For the first year of a dog’s life count each year as 15 human years.

The First Year  

For the second year and onward, count each dog year as 4 to 5 human years.  

Following Years

Small dogs age faster - for small breeds calculate 7 human years per year.

Small Dogs

Giant breeds age slower at 5 human years per year after maturity.

Large Dogs  

Use our easy dog-to-human age calculator tool for an exact conversion!

Use Our Calculator

While a useful guide, remember dog aging varies based on health, breed and care.  

It's a Guideline

Look for signs of aging like energy level, greying fur and stiffness over simple formulas.  

Monitor Your Dog

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