Dog Age Calculator
Convert dog years to human years with our accurate calculator. Uses breed size for precise age conversion based on scientific research.
How to Calculate Dog Age in Human Years
- 1 Enter your dog's age in years and months
- 2 Select your dog's size category
- 3 Click Calculate Age to convert to human years
- 4 View the life stage and life expectancy information
- 5 Compare ages across different dog sizes using the chart
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Last updated: January 15, 2026 · v2.1