What does this tool do?
For a hotel stay, leave request or project window, both endpoints usually count. The inclusive total is one day more than the ordinary date difference, and the calculator also shows the weekday split.
The Formula
Inclusive days = |end date − start date| + 1Frequently Asked Questions
Why is the inclusive count one day higher than the difference?
A plain date difference measures the gap between the dates. An inclusive count also counts the first and last day, so it adds one day to the gap.
Can I exclude weekends?
Yes. Choose the exclude option to count only Monday to Friday, including both endpoints if they fall on weekdays.