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Age Calculator

Calculate age from date of birth.

Calculate age from date of birth. Free, no registration required.

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Your result will appear here.

Results are estimates based on your inputs. Verify critical financial decisions independently.

How to use Age Calculator

Enter the requested values and choose the appropriate units; results update automatically. Results are generated locally in your browser. No account is required.

Formula & assumptions

Completed calendar years, months and remaining days between the two dates. Month-end anniversaries are clamped to the last day of the month.