Date & Time
Age Calculator
Calculate age precisely from a birth date to today or to a selected date.
✓ Free to use⚡ Instant result📱 Mobile friendly
Result
Recent calculations
🔒 Your inputs are used only for the selected operation. Many tools run directly in your browser.
How to use
Fill in the required fields and run the calculation. Check values, units and percentages before using the result.
Age Calculator about
Calculate age precisely from a birth date to today or to a selected date.
Formula and method
Age is calculated from calendar differences between the birth date and the target date, respecting completed years, months and days.
Example
Use realistic values and change one input at a time when comparing scenarios.
Important notes
The result is based only on the values you enter. For tax, credit, health or official decisions, also verify current primary sources.