About the Age Calculator
Forms, applications, school enrolments and sports leagues often ask for an exact age on a specific date. This calculator gives your precise age in years, months and days, along with the total number of months, weeks and days you have lived, the day of the week you were born and a countdown to your next birthday. You can also calculate the age on any past or future date, or use it to find the time between any two dates. Calculations use calendar dates, so time zones and daylight saving time do not affect the result.
How to use it
- Enter the date of birth.
- Leave the second date empty to calculate the age today, or choose another date.
- Read the exact age in years, months and days, and the totals below it.
- See the weekday of birth and how many days remain until the next birthday.
Frequently asked questions
How is age calculated exactly?
Full years and months are counted first, then the remaining days since the last monthly anniversary. For example, from 15 March to 20 May is 2 months and 5 days.
What about people born on 29 February?
In years without 29 February, the calculator treats 28 February as the birthday, which is the common convention. Some countries' laws use 1 March instead.
Can I calculate the time between any two dates?
Yes. Enter the earlier date as the date of birth and the later date in the second field to get the exact difference in years, months and days, plus the total days.