Age Calculator: How Old Am I Today?
Enter your date of birth to calculate exactly how old you are today in full years and the total number of days you have lived.
Last updated: 2026-08-12
What this page helps you check
Enter your date of birth to calculate exactly how old you are today in full years and see the total number of days you have lived.
- Confirm your age for forms or applications
- Check elapsed days since a birthday or personal milestone
How to read the result
Leap-day birthdays are treated as February 28 in non-leap years. For official applications, always confirm the age rule used by the organization you are dealing with.
How age is calculated
Your age in full years is the current year minus your birth year, reduced by one when this year's birthday has not happened yet.
The result uses today's date. For an application, benefit, or legal deadline, confirm which reference date the organization requires.
FAQ
- How is age handled on the birthday itself?
- The calculator treats the birthday as the point when age increases by one full year.
- What happens for February 29 birthdays?
- In non-leap years, February 29 birthdays are treated as February 28 for age rollover.
- Can I calculate age on another date?
- The current version calculates age relative to today only.