Cat Age Calculator
Convert your cat's age to human years using the veterinary formula.
Cat Age Chart
0.5 cat yrs
8
human yrs
1 cat yr
15
human yrs
2 cat yrs
24
human yrs
4 cat yrs
32
human yrs
6 cat yrs
40
human yrs
8 cat yrs
48
human yrs
10 cat yrs
56
human yrs
12 cat yrs
64
human yrs
14 cat yrs
72
human yrs
16 cat yrs
80
human yrs
18 cat yrs
88
human yrs
20 cat yrs
96
human yrs
Cat Years to Human Years
The first year of a cat's life equals roughly 15 human years. The second year adds about 9 more, making a 2-year-old cat equivalent to a 24-year-old human. After that, each cat year equals approximately 4 human years. Indoor cats typically live 12-18 years, while outdoor cats average 2-5 years. The oldest recorded cat, Creme Puff, lived to 38 years (approximately 168 human years).