Your result
How this calculation works
Net minutes = end minutes − start minutes + 1,440 if next day − break minutes. Decimal hours = net minutes ÷ 60.
Enter start and end times using the time fields. Select next day for an overnight interval and subtract an unpaid break if needed.
How to use this calculator
- Enter or choose start time.
- Enter or choose end time.
- Enter or choose end date.
- Enter or choose unpaid break (minutes).
- Select Calculate and review the result and assumptions.
Worked example
From 09:00 to 17:30 with a 30-minute break is 8 hours, or 8.0 decimal hours.
Assumptions and limitations
Clock-time arithmetic only, up to 24 hours. Time zones, daylight-saving changes, overtime, and payroll rules are not modeled.
Frequently asked questions
How do I calculate an overnight interval?
Select Next day. For example, 22:00 to 06:00 the next day is eight hours before breaks.
Does this calculate overtime pay?
No. It only calculates elapsed clock time and subtracts the entered break.