Calculate exact age in years, months, days, hours, minutes & seconds!
Enter your date of birth.
Click the calculate button.
See your exact age instantly!
Accurate to the second, accounting for leap years and varying month lengths. The live seconds counter updates in real-time.
Yes! Fill in the "Age at Date" field to calculate your age at any past or future date instead of today.
Yes, all calculations properly handle leap years including February 29 birthdays.
No! Everything runs entirely in your browser. Your date of birth is never sent to any server. 100% private and secure.
Western tropical astrology is used for zodiac signs. Chinese zodiac follows the traditional 12-year animal cycle based on birth year.