Online Tools and Calculators > Miscellaneous > Dog Years Calculator

Dog Years Calculator

Normal adult dog weight:
Age of dog: years

About Dog Years Calculator

The online Dog Years Calculator is used to convert dog years to human years.

The calculation is based on the comparative ages when dogs and humans reach maturity. For example, dogs reach sexual maturity around the end of their first year, whereas humans reach it at about age 15. Size and breed also influence the rate at which a dog ages. The following dog age conversion chart may be used to convert dog years into human years.

Age of dog (years)Age in human years for small breed (<21 lbs)Age in human years for medium breed (21-50 lbs)Age in human years for large breed (>50 lbs)
1151515
2242424
3282828
4323232
5363636
6404245
7444750
8485155
9525661
10566066
11606572
12646977
13687482
14727888
15768393
168087120
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