What is Age Calculator?
Find the time between your date of birth and a chosen date, shown as years, months and days.
Enter a birth date and an end date. The calculator returns the elapsed years, months and days using calendar dates.
How to use this tool
- 1
Enter your date of birth.
- 2
Choose the date to calculate your age on.
- 3
Read the calendar age in years, months and days and the total elapsed days.
Features
- Calculate age as of any date
- Shows total days lived
- Dates are calculated locally
Example
Enter 1990-05-10 and 2026-10-02 to see the calendar age and total number of days.
Frequently asked questions
Can I calculate age on a past date?+
Yes. Change the “Age on” date to any date on or after the birth date.
Does it account for leap years?+
Yes. Date arithmetic uses calendar days, including leap days.
About this age calculator
Age Calculator is part of itotii’s free collection of browser-based utilities. It is designed for a quick workflow: find the tool, complete the task and keep control of your files and data.
Output depends on your input and browser support. Review the result before using it in a published or important document.