Dog Years to Human Years Calculator

Enter your dog's age and breed size below for an instant, science-based conversion to human years - plus their life stage, personalised care tips, and shareable result.

Select Your Breed (optional - auto-sets size)

Selecting a breed automatically sets the correct size below.

Dog's Adult Size (Weight) *

Dog'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?

Size-adjusted formulas - not the outdated 7× myth
Optional breed selector auto-sets the right size
Identifies your dog's life stage from Puppy to Geriatric
Shows stage-specific health and care tips
Shareable result card - great for social media

Trusted by PetNurture pet parents