Catculator Calculator
Convert your cat's age to the equivalent human age using the scientifically updated feline aging model.
Formula
Year 1 = 15 human yrs; Year 2 adds 9; each year after = +4 human yrs
- First cat year corresponds to about 15 human years (rapid development).
- Second year adds ~9 more human years.
- Each year after year 2 equals ~4 human years.
3-year-old cat
Inputs
- Cat's Age: 3 years
Year 1 = 15, Year 2 adds 9 → 24, Year 3 adds 4 → 28 human years.
Frequently asked questions
Is the '1 cat year = 7 human years' rule accurate?
No. Cats age very rapidly in the first 2 years. The 15-9-4 model is more accurate.
At what age is a cat considered senior?
Cats are generally considered senior at 7–10 years.