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Cat Age Calculator

How old is your cat in human years?

Based on AAHA guidelines โ€” the science-backed way to calculate cat age.

Human equivalent age
โ€”
years old
โ€”Cat Years
โ€”Human Years
โ€”Life Stage
โ€”Sleep Hrs/Day

๐Ÿพ Fun Facts about your cat

    How do we calculate cat age?

    We use the American Animal Hospital Association (AAHA) guidelines. The first year of a cat's life equals about 15 human years. The second year adds another 9. After that, each cat year equals roughly 4 human years. This is more accurate than the old "multiply by 7" method.

    Frequently Asked Questions

    Is this the same as multiplying by 7?

    No โ€” that's a dog myth that doesn't apply to cats. Cats age very rapidly in their first two years, then slow down. The AAHA method is far more accurate.

    Does indoor vs outdoor affect age?

    Yes โ€” indoor cats live 2-5 years longer on average due to lower risk of accidents and disease.

    Is this medical advice?

    No โ€” this is for fun and general reference only. Always consult your vet for advice about your cat's health.