Free calculators and unit converters for general and everyday use.
Our online tools will provide quick answers to your calculation and conversion needs. On this page, you can calculate cat years, given your pet's age in human years. A cat year is the equivalent portion of a cat's lifetime, as a calendar year would be for a human being.
Android: Use this cat age calculator offline with our all-in-one calculator app.
There is no agreed upon formula to calculate a cat's age. In our calculation we assume, a 1-year-old cat is equal to a 15-year-old human and a 2-year-old cat is equal to a 24-year-old human. Then add four years for every year after that.