A cat with flawless white teeth is likely under a year old, while a cat with advanced gum recession, tartar buildup, and other signs of dental disease is probably six or older.Ī cat’s teeth can give useful information. The easiest way is simply to create a chart that allows a good estimate to be made: see below for our best effort to do this.Ī cat’s teeth are among the best indicators of their age. So it makes sense to adjust the old formula, and there are several ways to do this. And the oldest cat ever was 38 years old, meaning a ridiculous 266 human years. The oldest age a human has ever reached is just 122 (equivalent to a seventeen-year-old cat), while if a cat reaches their mid-twenties, it is not unheard of: 7 years x 25 is 175 in human years, which is absurd. There are far more senior cats over the age of fourteen than there are elderly humans over the age of a hundred.Īlso Read: When Do Cats Stop Growing? 6 Cat Life Stages ExplainedĪnd finally, I’ve known a fair number of geriatric cats over the age of twenty, which is 140 human years, using this old formula.
A twelve-year-old cat is usually far fitter than an eighty-four-year-old human. While the “multiply by seven” rule tends to work for middle-aged cats, aging rates fall out of sync for very young or senior cats.īy the end of second year of life, a cat is like a person in their mid-twenties. A year of a cat cannot be compared so easily with a year of a human.Ĭats mature rapidly in the first year of life: a one-year-old cat is more like a teenager human than a seven-year-old child. While this works well for cats in middle age (a five-year-old cat is probably equivalent to a thirty-five-year-old human), it doesn’t work well at either end of the cat’s life. The traditional method of comparing ages, widely known, was to keep it simple: just multiply cat’s years of life in calendar years by seven. Or indeed, it would be interesting to compare cat age in cat years with dog age in dog years.Ĭomparisons could even be made between cat breeds, based on data showing how long pedigree cats live compared to domestic short-haired cats (mixed breeds).Īnd as for the question of “how long do cats live for?” The area of life expectancy is an interesting one to consider, but it’s more of a guessing art than a specific science. Of course, the system can also be turned around, to work out how old humans are in “cat years”, but that’s a different day’s work.
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