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Cat Age Calculator

Convert cat years to human years

Calculator

How Old Is Your Cat in Human Years?

Cats age rapidly in their first two years, then more steadily. Indoor cats typically live longer.

Cat's Age (years)

Indoor or Outdoor?

Frequently Asked Questions

How long do cats live?

Indoor cats: 12–18 years on average, with some reaching 20+. Outdoor cats: 5–10 years on average due to cars, predators, disease, and weather. Keeping cats indoors dramatically increases lifespan.

When is a cat considered senior?

Cats are considered "senior" at 7–10 years and "geriatric" at 15+. Senior cats should see the vet every 6 months for early detection of common age-related conditions like kidney disease and hyperthyroidism.