Home / Other Calculators / Date and Time / Convert Cat Years To Human Years CalculatorConvert Cat Years To Human Years Calculator Please enable JavaScript in your web browser for the live calculations to work properly. Cat Age to Human Age Age of Cat Human Equivalent Age 0 – 1 month2 month3 month4 month5 month6 month7 month12 month18 month2 year3 year4 year5 year6 year7 year8 year9 year10 year11 year12 year13 year14 year15 year16 year17 year18 year19 year20 year21 yr By Life Stage- Kitten: Birth to 6 month Age of Cat Human Equivalent Age 0 – 1 Month2 months3 months4 months5 months6 months Junior: 7 months – years Age of Cat Human Equivalent Age 7 months12 months18 months2 years Adult: 3 Years – 6 years Age of Cat Human Equivalent Age 3 years4 years5 years6 years Mature: 7 Years – 10 Years Age of Cat Human Equivalent Age 7 years8 years9 years10 years Senior: 11 Years – 14 Years Age of Cat Human Equivalent Age 11 years12 years13 years14 years Super Senior: 15 Years+ Age of Cat Human Equivalent Age 15 years16 years17 years18 years19 years20 years21 years22 years23 years24 years25 years Update Reset PrintIs this calculator helpful? Helpful 0 Time wasting 0 Share on: