How Old Is a 1-Year-Old Cat in Human Years?

In human years15 yearsLife stage: Junior

International Cat Care counts a cat's first year as about 15 human years and the second as about 9 more, so a two-year-old cat is roughly 24. After that each calendar year adds about 4 human years. A 1-year-old cat is therefore about 15 in human years.

iCatCare divides a cat's life into six stages: kitten (up to 6 months), junior (7 months to 2 years), adult (3–6 years), mature (7–10), senior (11–14) and super senior (15 and over). At 1 a cat is in the "Junior" stage.

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Frequently Asked Questions

How old is a 1-year-old cat in human years?

About 15 human years by the International Cat Care chart.

What life stage is a 1-year-old cat in?

Junior. International Cat Care uses six stages: kitten, junior, adult, mature, senior and super senior.

Is one cat year seven human years?

No. Cats mature very quickly in the first two years and then age steadily at about 4 human years per year. By the ×7 rule a 1-year-old cat would be 7; the iCatCare chart gives 15.

Do cats age like dogs?

In the first two years both reach about 24 human years. After that cats add about 4 years per year, the same pace as small dogs, while large and giant dog breeds age faster.