Dog Age Calculator

Do you want to calculate your dog's age in human years?

This calculator helps you calculate your dog's age in human years and also helps you figure out whether it is a baby, a teenager, or an adult in human years.

Simply select your dog size and enter its age to start the calculation.

This dog age finder uses the following formula:

Human age = 16 ln (dog age) + 31)

This is more accurate than the multiply by 7 methods.

Dog age in human years calculator

You might also want to determine the heat cycle, pregnancy date, or grape toxicity level.


  • Clyde, D. (2020). From dog days to human years. Nature Reviews Genetics, 21(9), 508-509.
  • Calculating Your Dog’s Age. (2020, July 13). Animal Health Topics / School of Veterinary Medicine.
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