Cat age method
The calculator uses a common pet-age rule: a cat's first year is about 15 human years, the second year reaches about 24, and each additional cat year adds about 4 human years.
Animal age
Cat Age Calculator
Estimate a cat's age in human years using common life-stage rules.
Important context
Cat aging varies by breed, health, diet, and indoor or outdoor lifestyle. Treat this as a friendly estimate, not a veterinary assessment.
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Animal Age Calculators overview
Compare animal ages with familiar human-age equivalents using simple life-stage rules.
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Estimate cat age
Convert cat years and months into an estimated human-age equivalent.
Estimated human age
24 years
2 years, 0 months
Cat age
15, 24, then +4/year
Method