How Old Is My Cat In Human Years. Junior, from six months to two years old 3. “after that, cats tend to develop more slowly,” barrack said, aging about four or five human years every 12 months.
So, a 2 year old cat can be said to be 24 years in human years. The old “seven year” rule is simple but not quite accurate because cats age more rapidly during the first two years of life. Converting your cat’s age into approximate human years is an inexact science at best, and should be considered as something that.
Gradually, this pace comes down to around 4 cat years for every human year.
And people simply do not live to 140 years old at all, never mind with any regularity! Anyhow, as i was saying, if you want a more accurate calculation of an indoor cat’s human age equivalent, or if your cat is older than 14, check out this handy cat age calculator. Gradually, this pace comes down to around 4 cat years for every human year. After two years old the cats mature slowly, so that a 15 year old cat is roughly comparable to a 76 year old human (see the graph below).