Work Shift Duration Calculator
Calculate the exact number of hours worked during a shift. Subtract unpaid lunch breaks instantly to get your true billable hours.
Track Your Work Hours
Calculating timesheets manually is error-prone, especially when shifts cross midnight or include odd-minute lunch breaks. This calculator allows you to input your clock-in time, clock-out time, and break duration. It automatically handles overnight shifts and outputs precise decimal hours for payroll.
Why Use Our Shift Duration Calculator?
- Overnight Shifts: Seamlessly handles shifts that cross past midnight.
- Break Deductions: Subtract 30, 45, or custom minute lunch breaks.
- Payroll Ready: Outputs in both Hours/Minutes (8h 30m) and Decimal format (8.5).
- Privacy First: Your schedule and timesheets are never logged.
How to Use the Shift Duration Calculator
Enter your shift Start Time (Clock In).
Enter your shift End Time (Clock Out).
Input the duration of any unpaid breaks in minutes.
Click 'Calculate' to see your total payable hours.
Frequently Asked Questions
If your end time is earlier than your start time (e.g., Start at 10 PM, End at 6 AM), the calculator automatically assumes the shift ended on the following day.
Payroll software requires decimal formats. For example, 8 hours and 15 minutes must be entered as 8.25 hours for wage multiplication.
All file processing is performed locally in your web browser. We do not upload, store, or view your data.