ToolBeetle

Age calculator

Calculate age in years, months and days on a chosen date.

Date entry follows your browser settings. Result dates use your selected format.

Enter details and calculate.

How to use this tool

Enter the birth date and the date to calculate age on. Results show completed years and months, remaining days and total calendar days.

Good to know

Gregorian calendar only. End-of-month anniversaries clamp to the last day of the month; February 29 anniversaries use February 28 in non-leap years. No legal-age or medical interpretation.