What you get
- Exact age in years, months and days
- Total months, weeks and days lived
- The day of the week you were born
- The date of your next birthday and how many days are left
Use the optional "Age on" date to find someone's age on a specific day — for example on an application deadline or the start of a school year.
Born on 29 February? In non-leap years your birthday is counted on 28 February.
Frequently asked questions
How are months counted?
Full calendar months; the remaining days are counted using the length of the previous month.
Does it account for leap years?
Yes, all dates use the real calendar, including 29 February.
Is my birth date stored?
No, everything is calculated in your browser.