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Dog Age Calculator

Convert dog years to human years

dog agepetdog years

📖 How to Use

  1. Enter your dog's age
  2. Select size (small/medium/large/giant)
  3. Click Calculate to see the human-equivalent age

📐 Formula

First 2 years: 1 dog year ≈ 15 human years (year 1) and 9 human years (year 2)
After that: each dog year ≈ 4–7 human years (varies by size)

❓ FAQ

Do small and large dogs have the same lifespan?
No — small dogs typically live longer (15–18 years) while large dogs live shorter lives (8–12 years).

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About Dog Age Calculator

This tool is completely free, no registration required. Works directly in your browser. Supports both PC and mobile devices.

Dog Age Calculator is a free online tool that works on both PC and mobile. No registration or download required — just open in your browser. Results are accurate and reliable for everyday use and professional reference.