Age Calculator
Enter your date of birth and a target date to calculate your exact age in years, months and days.
Your age
Enter your dates
How this calculator works
The calculator finds the difference between the date of birth and the selected target date. It adjusts for months with different lengths and leap years.
Result: completed years, remaining months and remaining days.
Example
If a person was born on 10 January 2000 and the target date is 15 August 2026, the calculator shows the completed age plus the remaining months and days.
Frequently asked questions
Can I calculate age on a past or future date?
Yes. Choose any valid target date that is on or after the date of birth.
Does the calculator handle leap years?
Yes. The calculation uses actual calendar dates, including leap years.
Is my date saved?
No. The calculation runs in your browser and this page does not store the dates you enter.