Cat Age in Human Years Calculator
Calculate Cat Age in Human Years
Formula
Year 1 = 15 human years, Year 2 = +9 human years, Each year after = +4 human years
Frequently Asked Questions
How do cat years work?
The first year of a cat's life equals about 15 human years. The second year adds about 9 more. After that, each cat year equals roughly 4 human years.
Do indoor cats live longer?
Yes. Indoor cats typically live 12-18 years, while outdoor cats average 5-10 years due to hazards like traffic, predators, and disease.
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