Find out how old your cat is in human years. Enter your details below and get an instant, easy-to-read result.
Cat Age Calculator
Find out how old your cat is in human years.
Cat Age Calculator
How this calculator works
Cats mature quickly at first and then settle into a steady rhythm. The first year of a cat's life is roughly equal to 15 human years, the second adds about 9, and every year after that adds around 4 human years. That is why a two-year-old cat behaves like a 24-year-old person, while a 10-year-old cat is already a true senior.
Frequently Asked Questions
When is a cat considered a senior?
Most veterinarians consider a cat a senior around 11 years of age, which is roughly the early 60s in human years. Senior cats benefit from twice-yearly checkups.
Do indoor cats age differently from outdoor cats?
The conversion stays the same, but indoor cats generally live longer because they face fewer risks such as traffic, fights and infectious disease.
How can I support an older cat?
Regular vet visits, weight monitoring, easy access to food, water and litter boxes, and a senior-formula diet all help older cats stay comfortable.