Age Calculator

🧮 Premium Age Calculator

Date of Birth

Calculate As Of

Use today's date

Results will appear here after calculation.

Handles leap years (Feb 29) and precise Y–M–D differences. Exports contain the same values shown above.

🛠️ User Guide | How to Use the Birthday Calculator

1. Enter Your Date of Birth: Click the date field and select your birth date from the calendar popup.
2. Check Your Entry: Make sure the correct year, month, and day are selected before proceeding.
3. Click Calculate: Press the Calculate button to process your birthday details.
4. View Results: The tool will instantly display the exact date of your next birthday and the number of days remaining.
5. Birthday Today? If your birthday is today, the tool will show “0 days left” and highlight your special day.
6. Leap Year Handling: For Feb 29 birthdays, the tool will automatically adjust to the correct next celebration date.
7. Repeat Anytime: Change the date in the field and click Calculate again to check for other birthdays.

🎯 Tip: Use this tool to plan parties, set reminders, or simply see how close you are to cake day!