How to use this calculator
- Enter the requested values for shift start, shift end, lunch start.
- Review each input for the correct unit, pay period, and policy assumption.
- Calculate the result and read the explanation shown with each output.
- Compare the estimate with your time records, agreement, payroll system, or employer policy before relying on it.
Input guide
Shift start
Provide the shift start used for this specific estimate. Use the same period and unit as the other inputs.
Shift end
Provide the shift end used for this specific estimate. Use the same period and unit as the other inputs.
Lunch start
Provide the lunch start used for this specific estimate. Use the same period and unit as the other inputs.
Lunch end
Provide the lunch end used for this specific estimate. Use the same period and unit as the other inputs.
Lunch duration
Provide the lunch duration used for this specific estimate. Use the same period and unit as the other inputs.
Paid shift time
Provide the paid shift time used for this specific estimate. Use the same period and unit as the other inputs.
Decimal hours
Provide the decimal hours used for this specific estimate. Use the same period and unit as the other inputs.
How this calculator works
Lunch duration = lunch end − lunch start. Paid shift = shift duration − lunch duration.
Worked example
A 30-minute lunch during an 8.5-hour shift leaves 8 paid hours.
How to interpret the result
Use the displayed result as a planning figure, not as an official payroll determination. A materially unexpected result usually means the entered period, rate, threshold, break, accrual rule, or conversion basis should be checked.
Rounding policy
Break and shift
Durations are measured to the whole minute.
Assumptions and limitations
- Lunch is unpaid.
- Lunch occurs within the entered shift.
Frequently asked questions
Does it decide whether lunch is paid?
No. Apply your employer policy or agreement.
Can lunch cross midnight?
Yes, although that is uncommon.
When should I recalculate with the Lunch Break Calculator?
Recalculate whenever the hours, rates, schedule, pay period, policy assumptions, or planned usage changes. Saving the exact inputs makes comparisons more reliable.
How accurate is the Lunch Break Calculator?
The arithmetic follows the formula shown on the page. Real payroll or policy outcomes can still differ because of contracts, jurisdictional rules, employer systems, taxes, deductions, caps, and rounding practices.