Your Cat’s Age in Human Years
How old is your cat in human years? This chart follows International Cat Care’s life stages: a cat is about 15 at one year old, 24 at two, then gains four human years for every cat year after that.
The text version
- Kitten: Birth to 6 months
- 0 to 10 in human years. Growing fast and into everything.
- Junior: 7 months to 2 years
- 12 to 24 in human years. The teenage years. Nearly full size.
- Prime: 3 to 6 years
- 28 to 40 in human years. Grown up, settled and healthiest.
- Mature: 7 to 10 years
- 44 to 56 in human years. Middle age. Watch weight and teeth.
- Senior: 11 to 14 years
- 60 to 72 in human years. Slower, sleepier, likes things warm.
- Super senior: 15 years and over
- 76 and over in human years. A grand old cat.
Questions people ask
How old is a 1-year-old cat in human years?
About 15. A 2-year-old is about 24, then each extra cat year adds about four human years.
At what age is a cat a senior?
International Cat Care counts cats as seniors from around 11 years old, and super seniors from 15.
How long do indoor cats live?
Many indoor cats live into their mid to late teens, and some reach 20 or more, with good care and regular vet checks.
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