This calculator provides estimates based on AAFP feline life stage guidelines. Individual cats vary by breed, genetics, diet, and health. Consult your veterinarian for personalized care guidance.
Enter in years (e.g., 0.5 for 6 months)
Lifestyle affects expected lifespan
Human Years Equivalent
Lifespan Progress
KittenJuniorPrimeMatureSeniorGeriatric
Life Stage
Expected Lifespan
Source: AAFP 2021 Feline Life Stage Guidelines and Cornell Feline Health Center. Aging varies by breed and individual health; talk to your veterinarian about your cat's specific needs.