Age calculator
Calculate age in years, months and days on a chosen date.
About Age calculator
Calculate age on a reference date rather than assuming today is always the date you need. The result separates complete calendar years and months from remaining days.
Steps, and limitations
How to use it
- Enter a date of birth.
- Choose the date on which to calculate the age.
- Read the calendar breakdown and total number of days.
Things to know
- Month-end anniversaries clamp to the last day of a shorter month, including leap-year transitions.
- This is a calendar calculation, not a legal determination of age or eligibility.