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Age Calculator

Calculate exact age in years, months and days, total elapsed days, next birthday and milestone ages.

Enter the details for your calculation

Use the values that match the situation you want to evaluate with the age tool. Results update as the inputs change.

Date of birth

Calculate age oni

Exact age—

Total days lived—

Total weeks—

Next birthday—

Days until next birthday—

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Enter Date of birth, Calculate age on i. Calculate exact age in years, months and days, total elapsed days, next birthday and milestone ages.

The result shows exact age in years, months and days, total elapsed days, next birthday and milestone ages.

Results are estimates based on the values entered. Review the Methodology and Calculator Disclaimer for important limitations.