DATES & TIME · FREE TOOL
Age Calculator
Calculate your exact age from your date of birth, see an estimate of your total days lived, and count down to your next birthday.
CALCULATE NOW
YOUR RESULT31 years, 7 months, 15 days
The calculation runs in your browser. Your entries are not saved.
HOW IT WORKS
A clear answer, with the method included.
How to use this age calculator
- Enter the requested information in the fields above.
- Check that the values match your situation.
- Read the result, then copy it if you need it elsewhere.
The formula
Your age is calculated by comparing the year, month and day of your birth with today’s date, borrowing days or months where needed.
Example
Someone born on 1 January 2000 can enter that date to see their current age, days lived and days remaining until the next birthday.
Good to know.
Does the calculator account for leap years?
Yes. It uses real calendar dates, including leap years and different month lengths.
Is my birth date saved?
No. The calculation runs in your browser and the date is not sent to LifeWidget.
Why can days lived differ by one?
Time zones and the exact time of birth can affect a lifetime total. This tool uses calendar days in your current browser.
Last reviewed: 16 August 2026 · Report a mistake