Real-world advice
Dog Age Calculator
Estimate your dog's human-age equivalent using breed-size-aware math.
Human age equivalent
39
approximate human years
Uses the AVMA-style approximation: 15 in year 1, 24 by year 2, then +4–7 per year depending on breed size.
Recommendation
Senior dog wellness support
Best for: Dogs 7+ years (5+ for large breeds).
Benefits
- Joint & mobility support
- Calming products for anxious seniors
- Vet-formulated wellness lines
Pet sitter's tip
Senior dogs often benefit from omega-3 and glucosamine — ask your vet about dose.
Affiliate link. We may earn a commission if you buy — at no cost to you. This supports the site. Always consult your veterinarian for medical concerns.
Recommendation
Senior diet & orthopedic beds
Best for: Older dogs needing softer bedding and lower-calorie food.
Benefits
- Orthopedic memory-foam beds
- Senior-formulated food
- Easy autoship
Affiliate link. We may earn a commission if you buy — at no cost to you. This supports the site. Always consult your veterinarian for medical concerns.
FAQ
Why does breed size matter?+
Small dogs live longer than large dogs, so their per-year human-age equivalent is lower after age 2.
What about the 7-year rule?+
It's outdated. Modern approximations use +4–7 human years per dog year after age 2 based on breed size.
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