Age calculator
Enter a date of birth to get the exact age today or on any other date.
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How it is calculated
Age is counted in complete years, then complete months, then the remaining days, taking into account the real length of each month and leap years.
For people born on 29 February, this calculator uses 1 March as the birthday in non-leap years.
Frequently asked questions
How many days old am I?
See "Days lived" in the result, counted from the date of birth to the reference date.
Can I calculate age on a past or future date?
Yes: change the "Age on date" field.
How is 29 February handled?
In non-leap years, 1 March is used as the birthday.