Age Calculator

Exact age in years, months, and days, plus totals, next birthday, weekday of birth, and zodiac.

Enter details

Date of birth

Time of birth (optional)

As of

Exact age

Years—

Months—

Days—

Weeks—

Totals

Total days—

Total hours—

Total minutes—

Birthday facts

Born on—

Next birthday—

In—

Zodiac—

FAQ

Why is this accurate? It uses real calendar math (leap years and month lengths), handles future dates with warnings, and supports shareable URL parameters.

Example: ?dob=1995-08-22&asof=2025-08-22&t=09:30