6 cat years in human years
≈ 40 human years. Life stage: Adult (prime).
The estimate: about 15 human years for the first year, nine more for the second (so 24 at age two), then roughly four per year after that. At 6 years, that lands at 40.
Part-way through year 6
| 6 yr 0 mo | 40 human years |
|---|---|
| 6 yr 3 mo | 41 human years |
| 6 yr 6 mo | 42 human years |
| 6 yr 9 mo | 43 human years |