Tool

Age Calculator

Calculate exact age, total days, weekday, zodiac sign, and next birthday countdown from local calendar dates.

Birth date

Calculate age on

Exact Age

Choose a birth date

Total Days

Next Birthday

Zodiac

How to use

1. Choose a birth date.
2. Keep today or choose a different target date.
3. Review exact age, total days, and birthday details.
4. Copy, export, or share the selected date calculation.

Date calculation notes

Results use local calendar dates, not times of day. Leap-day birthdays use February 28 for next-birthday countdowns in non-leap years so the countdown remains predictable.

For timing content or reading estimates, try the Reading Time Estimator for word-count based duration planning.