Age in Different Units — Days, Weeks, Hours & More
Enter your date of birth to see your exact age in years, months, weeks, days, hours, minutes, and seconds. Plus a live countdown to your next birthday.
Age in Different Units — Know Your Exact Age
Ever wondered how many days old you are? Or how many hours you have been alive? Enter your date of birth and see your age expressed in every possible unit of time.
How It Works
Enter your date of birth and click Calculate. The tool computes the exact difference between your birth date and now, expressing it in years, months, weeks, days, hours, minutes, and seconds. A live countdown to your next birthday is also shown.
Frequently Asked Questions
Years, months, weeks, days, hours, minutes, and seconds.
Yes, with a countdown including days, hours, minutes, and seconds remaining.
Precise to the second, accounting for leap years and varying month lengths.
No, all calculations happen in your browser. Nothing is stored or sent anywhere.
Last updated: June 2026