13 Cat Years To Human. Please select your cat's current age: How does the cat age calculator work?
Cats can live for more than 100 human years! 14 cat years = 72 human years; Gradually, this pace comes down to around 4 cat years for every human year.
Graph of cat age versus human age.
3 cat years = 28 human years. For example, cats reach sexual maturity around the end of their first year, whereas humans reach it at about age 15. “after that, cats tend to develop more slowly,” barrack said, aging about four or five human years every 12 months. With 11 years the cat is as if it had about 60 human years, with 12 equals 64, with 13 years equivalent to 68 human years and with 14 to 72.