Cat Years to Human Years Calculator

You can convert your cat’s age in human years with cat age calculator, select Cat or Human Years, enter the age value and press Calculate button to get the result of equivalent cat age in human years or vice versa.

Cat Age to Human Years Chart

Cat Size	Life Stage	Cat’s Age	Human Equivalent
	Kitten	0 – 6 months	0 – 10 years
	Junior	7 months to 2 years	12 to 24 years
	Prime	3 to 6 years	28 to 40 years
	Mature	7 to 10 years	44 to 56 years
	Senior	11 to 14 years	60 to 72 years
	Geriatric	15 years plus	76 to 100+ years

Source: Getty Images, AAFP/AAHA Feline Life Stage Guidelines; aaha.org