Age Calculator with Exact Days
Years, months, days, total days/weeks/hours lived and days until next birthday.
About the Age Calculator with Exact Days
Age Calculator with Exact Days returns your precise age in years / months / days and also reports the total days, weeks, hours, minutes and seconds you have lived — plus a friendly countdown to your next birthday.
How to use
- Pick your date of birth.
- Optionally pick a target date (defaults to today).
- Click Calculate to see a full breakdown.
Benefits & key features
- Calendar-accurate (handles leap years and month-borrow correctly).
- Milestone planner: find the exact date you turn 10,000 days old.
- Next-birthday countdown keeps the anticipation alive.
- Works for pets, historical figures and yourself.
Pro tip
For the classic '10,000-days' party, enter your DOB and set the 'as of' date to your DOB + 10000 days (Excel or a quick Date Difference Calculator run gets that date).