Hours calculator
A hours calculator sums start and end times across multiple shifts or time blocks, subtracts break time, and returns the total in both hours-and-minutes and decimal form.
Total time worked
—
— hours (decimal)
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Formula
Net minutes = (end time − start time) − break minutes
Total hours = sum of net minutes across all shifts ÷ 60
Example
| Shift | Start | End | Break | Net |
|---|---|---|---|---|
| Monday | 9:00 | 17:00 | 30 min | 7 h 30 m |
| Tuesday | 8:00 | 16:30 | 30 min | 8 h 00 m |
Total: 15 h 30 m = 15.5 hours
Frequently asked
How do I convert hours and minutes to decimal hours?
Decimal hours = hours + (minutes / 60). For example, 7 hours 30 minutes = 7 + 30/60 = 7.5 hours.
Does this handle overnight shifts?
Yes. If the end time is before the start time, the calculator assumes the shift crossed midnight and adds 24 hours.
What break time should I enter?
Enter only unpaid break minutes. Paid breaks should not be subtracted.
Can I use 12-hour (AM/PM) time?
Yes. The calculator accepts 9:00am, 5:30pm, and similar formats alongside 24-hour time.
How do I share my timesheet?
Click "Share with my numbers" to copy a URL that saves all your shift entries.