Dog Age Calculator 🐕
Convert your dog's age to human years based on breed size — more accurate than the old "×7" rule.
yrs
Human Age Equivalent
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Simple Rule (×7)
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Expected Lifespan
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Life % Lived
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Life Stage
How to Convert Dog Years to Human Years
The old "multiply by 7" rule is an oversimplification. Dogs age much faster in the first two years and slower later. Smaller dogs also live longer than giant breeds. The calculator on lifestylecalcfree.com uses size-adjusted tables for a much more accurate conversion.