Cat year to Human year

Cat Age Calculator - Find cat age in human years

Cat Age in Human Years Calculator

You can enter cat's age by years, months, weeks or days OR select the date of birth to compute human years. You can enter human years to find the equivalent cat years.

Cat Years

Months

Weeks

Days

Human Years

Enter Cat's Date of Birth

Human Years

How many Cat years to Human Years?

There is no direct formula as such but this can be used as an approximation
Human age = (Cat age - 2) x 4 + 24 use this for cat age > 2
The first year of a cat is equal to 15 human years. The 2nd year of cat is about 9 human years
From the 3rd year onwards, it is equal to 4 human years
This means that a 5-year-old cat is 15+9+4+4+4=36 human years

The conversion of cat to human years is an estimate. You can refer the table below in next section for a look up on cat and human years

Steps to use the Cat to Human Age Calculator Tool

Enter the cat's or kitten's age in Years, months, Weeks or Days.
Or you can simply enter the date of birth of the cat. Click the date picker and select the date or enter the date in mm/dd/yyyy format.
The equivalent human year is automatically displayed in the Human Year field.
For eg, to find the human year equivalent of a 10 day kitten, enter 10 in the field marked as Days. Enter 0 in all the other fields and the human year is updated instantly

Cat's Age Chart

Age in Cat Years	Age in Human Years
1 year	15 years
2 years	24 years
3 years	28 years
4 years	32 years
5 years	36 years
6 years	40 years
7 years	44 years
8 years	48 years
9 years	52 years
10 years	56 years
11 years	60 years
12 years	64 years
13 years	68 years
14 years	72 years
15 years	76 years
16 years	80 years
17 years	84 years
18 years	88 years
19 years	92 years
20 years	96 years

Kitten to Human Age Chart

Kitten's Age in Months	Kitten's Age in weeks	Age in Human Years
0.25	1 week	0.31 years
0.5	2 weeks	0.63 years
0.75	3 weeks	1.13 years
1	4 weeks	1.5 years
1.5	6 weeks	2.25 years
2	8 weeks	3 years
2.5	10 weeks	3.75 years
3	12 weeks	4.5 years
3.5	14 weeks	5.25 years
4	16 weeks	6 years
4.5	18 weeks	6.75 years
5	20 weeks	7.5 years
5.5	22 weeks	8.25 years
6	24 weeks	9 years
6.5	26 weeks	9.5 years
7	28 weeks	10 years
7.5	30 weeks	10.5 years
8	32 weeks	11 years
8.5	34 weeks	11.5 years
9	36 weeks	12 years
9.5	38 weeks	12.5 years
10	40 weeks	13 years
10.5	42 weeks	13.5 years
11	44 weeks	14 years
11.5	46 weeks	14.5 years