Cat Years to Human Years
A 1-year-old cat is about 15 human years and a 2-year-old about 24 — after that, add roughly four human years per year.
Cats mature fast in their first two years, then age about four human years per year. Here is the full chart.
| Cat age | Human years | Stage |
|---|---|---|
| 0.5 | 10 | kitten |
| 1 | 15 | kitten |
| 2 | 24 | young |
| 3 | 28 | young |
| 4 | 32 | young |
| 5 | 36 | young |
| 6 | 40 | young |
| 7 | 44 | mature |
| 8 | 48 | mature |
| 9 | 52 | mature |
| 10 | 56 | mature |
| 11 | 60 | mature |
| 12 | 64 | senior |
| 13 | 68 | senior |
| 14 | 72 | senior |
| 15 | 76 | senior |
| 16 | 80 | senior |
| 17 | 84 | senior |
| 18 | 88 | senior |
| 19 | 92 | senior |
| 20 | 96 | senior |
Calculate your cat's exact age
Enter your cat's age to see its human-equivalent age and life stage.