A stoat aged 8 years 5 months is like a human aged 70 years 2 months

If a stoat is 8 years 5 months old, that is like a human aged about 70 years 2 months (accuracy ±8 months 3 weeks). The calculation uses the average and maximum lifespans and the age of maturity of both species, so the ratio is not linear.

How old is a stoat aged 8 years 5 months in human years?

About 70 years 2 months (accuracy ±8 months 3 weeks).

Why is the age not converted linearly?

Species age unevenly: childhood, maturity and old age take a different share of life, so the calculator matches the life stages of both species.

Can I choose another age or species?

Yes, the page has the calculator: pick the species, sex and age, and the result is recalculated.