How to use this calculator
Calculate a simple duration between start and end times.
How the calculation works
- Enter start and end time.
- Durations crossing midnight are supported.
- See hours, minutes, seconds, and total seconds.
Example
Find the duration from 22:30 to 01:15.
Understanding your result
Use the output as a practical starting point, then review it before using it in an important workflow.
Assumptions and limitations
- This is a time-span helper, not payroll logic.
- Use Hours Calculator when subtracting breaks.
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.