Cat Year Calculator
Convert human years to cat years. See your cat's life stage and equivalent human age.
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Cat Life Stages
Kitten0-1 years (0-15 cat years)
Junior1-2 years (15-24 cat years)
Prime3-6 years (28-40 cat years)
Mature7-10 years (44-56 cat years)
Senior11-14 years (60-72 cat years)
Super Senior15+ years (76+ cat years)
Quick Reference
1 yrs
15 cat yrs
2 yrs
24 cat yrs
3 yrs
28 cat yrs
5 yrs
36 cat yrs
7 yrs
44 cat yrs
10 yrs
56 cat yrs
13 yrs
68 cat yrs
15 yrs
76 cat yrs
18 yrs
88 cat yrs
20 yrs
96 cat yrs
About Cat Years
Cats age rapidly in their first two years. A 1-year-old cat is roughly equivalent to a 15-year-old human, and a 2-year-old cat is about 24 in human years. After that, each year adds about 4 human years.
Cat Life Stages
- Kitten: 0-1 year
- Junior: 1-2 years
- Prime: 3-6 years
- Mature: 7-10 years
- Senior: 11-14 years
- Super Senior: 15+ years
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Disclaimer: This tool is provided as-is for informational and educational purposes only.