Age Calculator
Find your exact age in years, months and days from your birth date. Enter any target date — today, a past date or a future one — and see how many days and weeks you have been alive. Handles February 29 birthdays correctly.
How to use
1
Enter your date of birth
Select your birth date using the calendar picker.
2
Choose the target date
Select a date to calculate age as of. Leave empty to use today.
3
Read your age
See your age in years, months and days, plus total days and weeks.
Features
Years, months and days
Exact age broken down into years, months and days.
Total days and weeks
See your age in total days and total weeks as well.
Any target date
Calculate age as of today, a past date, or a future date.
Automatic leap year handling
February 29 is counted correctly in every calculation.
Common use cases
- Find your exact age in years, months and days
- Calculate age on a future date (e.g., for a milestone)
- Check how many days you have been alive
- Determine age for a form or application