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Young adult

5 Cat Years in Human Years

A 5-year-old cat is about 36 in human years. At this age your cat counts as a young adult.

In human years

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What being 36 means for your cat

A five-year-old cat is in its mid-thirties. Keep an eye on weight: around 60% of US cats are overweight, which raises the risk of diabetes.

Cat ageHuman yearsStage
4 years32Young adult
5 years36Young adult
6 years40Young adult

For comparison, a 5-year-old medium-sized dog is about 36 in human years. See 5 dog years in human years.

Frequently asked questions

How old is a 5 year old cat in human years?

About 36. The first cat year equals 15 human years, the second adds 9, and every year after adds about 4.

Is a 5 year old cat old?

No, a 5-year-old cat is a young adult. Cats are usually considered senior from about 11.

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