Cat Age Calculator | Cat Years to Human Years

How Old Is My Cat in Human Years?

Cats age very rapidly in their first two years of life and then slow down considerably. A 1-year-old cat is roughly equivalent to a 15-year-old human; by 2 years they're approximately 24 in human terms.

AAHA Feline Life Stages

• Kitten: Birth to 6 months
• Junior: 6 months to 2 years
• Adult: 3-6 years
• Mature: 7-10 years
• Senior: 11-14 years
• Geriatric: 15+ years

Oldest Cats on Record

The oldest cat ever recorded was Creme Puff of Texas who lived to 38 years (approximately 168 in human years). Australian cats living to 20+ years are not uncommon, particularly indoor cats.

Age equivalents are approximate based on AAHA feline life stage guidelines.