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Cat Age Chart: What is my cat’s age in human years?

cats age in human years

We made a cat age chart to show a cat’s age in human years. Rumors may say that one human year is equal to 7 cat years, but a 1 year old cat is actually much more mature than a 7 year old human.

How long can cats live?

On average, indoor cats live from 12-18 years. Indoor cats have extra protections, cat toys, and extra food. Outdoor cats, however, are said to age twice as fast. Outdoor cats face more threats from their environment and have more illnesses so they usually live to about 10 years.

If the maximum age for humans is 100 years, then the maximum age of a cat would be equivalent to 20.8 years. Certain cats have been able to live to over 30! Some say Siamese and Manx breeds can live the longest.

What is your cat’s age in human years?

Instead of a cat age calculator, we use a cat age chart to show the timeline of maturity in a cat.

cat's age in human years

[In the first 2 years of a cat’s life, one month is equal to one human year.]

Youth – Growing up
1 cat month = 1 human year
2 cat months = 2 human years
3 cat months = 3 human years
6 cat months = 6 human years
12 cat months = 12 human years
18 cat months = 18 human years
24 cat months = 24 human years, teeth will usually start yellowing

[After 2 years, each cat year equals 4 human years]

Prime of your life!
3 cat years = 28 human years
4 cat years = 32 human years
5 cat years = 36 human years, you might see tartar build up along the teeth
6 cat years = 40 human years

Mature
7 cat years = 44 human years
8 cat years = 48 human years
9 cat years = 52 human years
10 cat years = 56 human years

Senior – You might start seeing some missing teeth
11 cat years = 60 human years
12 cat years = 64 human years
13 cat years = 68 human years
14 cat years = 72 human years

Geriatric
15 cat years = 76 human years
16 cat years = 80 human years
17 cat years = 84 human years
18 cat years = 88 human years
19 cat years = 92 human years
20 cat years = 96 human years
25 cat years = 116 human years
30 cat years = 136 human years

Did you find your their age with this cat age conversion chart? Let us know in the comments below!

Cat Age Chart in human years

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