Cat Years.... CAT HUMAN CAT HUMAN 6 months 12 years -- 13 years 67 years 1 year 16 years -- 14 years 70 years 2 years 24 years -- 15 years 72 years 3 years 28 years -- 16 years 74 years 4 years 32 years -- 17 years 76 years 5 years 36 years -- 18 years 78 years 6 years 40 years -- 19 years 80 years 7 years 44 years -- 20 years 82 years 8 years 48 years -- 22 years 86 years 9 years 52 years -- 24 years 90 years 10 years 56 years -- 26 years 94 years 11 years 60 years -- 28 years 97 years 12 years 64 years -- 30 years 100 years Try this calculator. Enter your cat's age and press the button years months Your cat's age in human years is: