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Dog age in human years: forget the “× 7” rule

7 October 2026 · 3 min read

The “multiply by 7” rule is wrong: dogs grow up very fast, then age at a pace that depends on their size.

  • 1 year ≈ 15 human years
  • 2 years ≈ 24 human years
  • Then about 4 years per year for small dogs, 5 for medium and 7 for large

💡 Vets recommend a yearly check-up once your dog reaches senior age.

Calculate my dog’s age

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