Age Calculator
Enter a date of birth and an optional as-of date to calculate the elapsed age in years, months, and days.
Your result
Elapsed age
Enter your values, then select calculate.
About this age calculator
Enter a date of birth and an optional as-of date to calculate the elapsed age in years, months, and days. The calculation runs on this device; the values you enter are not uploaded or stored by NeoITWorks.
Age is calculated using calendar years, months, and days between the selected dates. Leap years are handled by the browser's local date calendar.