Date & Time

Age Calculator

Calculate calendar age in years, months and days, plus total days, on an explicitly chosen target date.

Keep this tool in your workbenchReport a problem

Loading Date & Time controls…

What does this tool do?

Calculate calendar age in years, months and days, plus total days, on an explicitly chosen target date. Inputs: Birth date, Target date. Outputs: Age in years/months/days, Total days.

How to use it?

Enter the birth date and the target date; both are required. Choose “Calculate age”, then copy individual result values. Clear removes all inputs and results and restores option defaults.