Cat Years to Human Years Calculator

Enter your cat's age and lifestyle below for an instant conversion to human years - plus their life stage, personalised care tips, and a shareable result card.

Your Cat's Lifestyle *

Lifestyle affects expected lifespan and care priorities shown in your result.

Cat's Age (in years) *

Enter whole or decimal years. E.g. 0.5 = 6 months, 1.5 = 1 year 6 months.

Educational Disclaimer: Portion and conversion rates are biological estimates based on veterinary literature. Always consult a licensed vet for individual health checks.

Why Use This Calculator?

AAHA-based formula - not the inaccurate "7× rule"
Lifestyle-aware results for indoor, outdoor, and mixed cats
Identifies your cat's life stage from Kitten to Geriatric
Shows stage-specific health and care priorities
Shareable result card - perfect for social media

Trusted by PetNurture cat parents