Cat Age Calculator
Calculate your cat's age in human years. Free cat age calculator used by vets and cat owners to track feline life stages.
Results
⚠️ Based on veterinary guidelines. Individual cats age differently. Consult your vet for health advice.
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Track pet records, vaccinations, and vet visits in Tregovia
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Frequently asked questions
How do you calculate a cat's age in human years?
Year 1 = 15 human years, year 2 = 9 more (24 total). Each subsequent year = ~4 human years. A 5-year-old cat is roughly equivalent to a 36-year-old human.
When is a cat considered a senior?
Cats enter the 'mature' stage at 7–10 years and are considered senior from 11–14 years. Cats over 15 are classified as geriatric by veterinary guidelines.
How long do cats live on average?
Indoor cats typically live 12–18 years, with many reaching their early 20s. Outdoor cats average 10–12 years. Regular vet checkups extend healthy lifespan.
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