About the Age Calculator
Find your exact age in years, months and days, or your age on any specific date — handy for job applications, exam eligibility, visas and insurance forms.
You will also see the total number of months, weeks, days and hours you have lived, the day of the week you were born and how long until your next birthday.
How to use the Age Calculator
- Enter your date of birth.
- Optionally change the “Age on” date (it defaults to today).
- Your exact age appears instantly.
Frequently asked questions
How is age calculated?
Complete years are counted first, then complete months, then the remaining days, taking the different lengths of months and leap years into account.
What if I was born on 29 February?
In years without 29 February, your birthday countdown uses 1 March.