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Cat Age Calculator - Cat Years to Human Years
Free cat age calculator. Convert your cat's age to human years accurately. Understand your cat's life stage and health needs.
Cat Age Calculator
Convert cat years to human years
Cat's Age
Enter your values to see results
and click the "Calculate" button
Cat Age Calculator
Calculate your cat's age in human years. Cats age rapidly in their first two years, then slow down.
Cat Age Formula
Year 1 = 15 human years | Year 2 = 9 more (24 total) | After: 4 years per cat year
A 5-year-old cat is about 36 in human years. Indoor cats typically live longer than outdoor cats.
Frequently Asked Questions
How long do cats live?
Indoor cats: 12-18 years average, some reach 20+. Outdoor cats: 2-5 years average due to risks. Mixed: 10-15 years.
When is my cat a senior?
Cats are senior at 11+ years (60+ human years). Senior cats need annual vet visits, dental care, and age-appropriate diet.
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