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Dog Breed Lifespan & Human Age Equivalent

Dog age in human years varies by size (non-linear).

Converts dog age to approximate human equivalent years using the non-linear formula (log-based) from a Nature Aging study, adjusted for breed size.

Nadia Almasri By Nadia Almasri
Published Last reviewed 1 min read

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Formula

Human_age ≈ 16 × ln(dog_age) + 31 (average breed)

In depth

Converts dog age to approximate human equivalent years using the non-linear formula (log-based) from a Nature Aging study, adjusted for breed size.