Days Between Dates Calculator
Count the total days between two dates, both exclusive and inclusive of the end date.
Days Between Dates Calculator
Count the total days between two dates, both exclusive and inclusive of the end date.
How to use the Days Between Dates Calculator
- Enter the start date.
- Enter the end date.
- Click Calculate.
Formula
Exclusive: (End − Start) in days
Inclusive: Exclusive + 1
Example
From June 1 to June 10: Exclusive = 9 days, Inclusive = 10 days.
Step-by-step calculation
- Calculate the difference: June 10 − June 1 = 9 days (exclusive).
- For inclusive counting, add 1: 9 + 1 = 10.
- Also shows weeks (1.29).
Real-world uses
- Scheduling and project timelines.
- Subscription and trial period tracking.
- Event planning.
Common mistakes
- Confusing inclusive and exclusive counting.
- Counting the start date twice.
- Forgetting that the result can be 0 if both dates are the same.
Frequently asked questions
What is the difference between inclusive and exclusive?
Exclusive counts only the days between the two dates. Inclusive counts both the start and end dates.
Does this skip weekends?
No, all days are counted. Use the Business Days Calculator to count only working days.
What if the dates are the same?
Exclusive = 0, inclusive = 1.