CALCULATOR TOOL

Date Difference Calculator

Count days and full weeks between two calendar dates.

Date Difference Calculator

FREE ONLINE TOOL

10 days

1 full weeks and 3 days

STEP BY STEP

How to use date difference calculator

  1. Select a start date and end date.
  2. Choose whether to include both endpoints.
  3. Read the number of days and full weeks.

WHEN IT HELPS

Common uses

  • Count the duration of a trip.
  • Check elapsed days between two project milestones.

IN PRACTICE

Example

September 1 to September 11 is 10 elapsed days, or 11 days when both dates are included.

GOOD TO KNOW

Does it count weekends?

Yes. This tool counts calendar days, including weekends and holidays.

Calendar days include weekends and holidays. End dates before start dates are flagged.