Dog years calculator (embeddable)

Dog's age

years

Dog's adult weight

Sets the size band: small, medium, large or giant.

About

36human years

DNA-based estimate (from a study of Labrador Retrievers): about 57 human years.

Size bandMedium (21–50 lb)

Life stageMature adult

Show the math

Size chart by age, with interpolation between years.
DNA formula: human = 16 × ln(dog age) + 31.

Estimates only, not veterinary advice.

Calculator by PawScales