About the Break Deduction Calculator
Paid hours after deducting breaks, and the legal minimum break for a shift length.
Also known as: unpaid break calculator, rest break entitlement, lunch break deduction, working time breaks.
How to use this calculator
- Enter shift length, break taken, break is paid, number of shifts.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
paid hours = shift length − unpaid break
Worked example
Using the values pre-filled in the calculator above:
- Shift length = 9 hours
- Break taken = 60 min
- Break is paid: no
- Number of shifts = 20
the calculator returns:
- Paid hours per shift: 8
- Total paid hours: 160
- Unpaid break time: 20 hours
- Typical legal minimum break: 20 min