Human years to cat years

Running the conversion backwards: 30 human years ≈ 3.5 cat years.

10 human years	0.7 cat years
15 human years	1.0 cat years
20 human years	1.6 cat years
25 human years	2.3 cat years
30 human years	3.5 cat years
35 human years	4.8 cat years
40 human years	6.0 cat years
45 human years	7.3 cat years
50 human years	8.5 cat years
60 human years	11.0 cat years
70 human years	13.5 cat years
80 human years	16.0 cat years
90 human years	18.5 cat years
100 human years	21.0 cat years

Convert the other direction, or see the life stage chart.