Enter a date of birth to get an exact age in years, months and days, along with the total number of days you've been alive and a countdown to your next birthday.
How to use this calculator
- Enter the date of birth.
- Leave the second date as today, or change it to find someone's age on a specific date.
- Read the age and the extra stats underneath.
How it's calculated
Age is counted in full years, then the remaining full months, then the remaining days, the same way people normally state their age. Leap years are handled automatically.
Common questions
Frequently asked questions
How is age calculated if I was born on February 29?
In non-leap years, most places treat your birthday as February 28 or March 1, depending on local law. This calculator counts you a year older on March 1 in non-leap years.
How many days old am I?
Enter your birth date. The total days figure shows exactly how many days you've been alive.
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