Age Calculator
Calculate your exact age between your date of birth and any target date.
How to Use This Tool
- 1 Select your Date of Birth using the date picker.
- 2 Select your target date in the Age at the Date of field (defaults to today's date).
- 3 Click the blue Calculate Age button to get your precise age breakdown in Years, Months, and Days.
How the Age Calculator Works
Enter your date of birth along with a chosen target date. The calculator computes your completed years, remaining months, and days between both dates while taking leap years and varying month lengths into account.
Formula
Calculation formula
Age is calculated as: Target Date − Date of Birth. The calculator first determines complete years, then complete months, and finally the remaining days.
Instructions
- Choose your exact date of birth.
- Set the target date you want to count up to.
- Click Calculate Age to run the calculation.
- Review the years, months, and days shown in the result box.