FullCalculator

Dog Years Calculator

Dog Years → Human Years

Formula

Year 1 ≈ 15 human years, Year 2 ≈ 9, then 4-7 per year by size

Frequently Asked Questions

Is 1 dog year really 7 human years?
The old '7 years' rule is oversimplified. Dogs age faster in their first 2 years. A 1-year-old dog is roughly equivalent to a 15-year-old human. After that, aging rate depends on the dog's size—larger dogs age faster than smaller ones.

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