How to Estimate Your Dog’s Age

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1. The first year of a dog’s life = 15 years

2. The second year of a dog’s life = 10 years

3. Every year thereafter is equal to 3 “human years.” For example, a formula for ten-year-old dog would be 15 + 10 + (3×8) = 49. For a fifteen-year-old dog it would be 15 + 10 + (3×3) = 64.

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