How to use this calculator
Compare two dates with both calendar difference and total day counts.
How the calculation works
- Enter start and end dates.
- Choose whether to include the end date.
- See calendar parts, total days, weekdays, and weekends.
Example
Calculate the time between January 1 and a project deadline.
Understanding your result
Use the output as a practical starting point, then review it before using it in an important workflow.
Assumptions and limitations
- Exclusive mode counts elapsed days between dates.
- Inclusive mode includes the end date in the total.
Frequently asked questions
Does this require an account?
No. The core tool works without creating a Tool2Do account.
Is my input included in share links or analytics?
No. Tool2Do share actions use the tool page URL and safe metadata, not private values or uploaded files.