UTILITIES · FREE TOOL
Shift hours calculator
Calculate a same-day or overnight shift after an entered unpaid break.
Your inputs
Enter your values, then calculate.
Decimal-point numbers; displayed rounding does not change internal values. Calculations stay on this device.
YOUR RESULT
Make the numbers clear.
Save calculation JSON ↓Calculation breakdown
Scroll sideways to see every column. You can also focus the table and use the arrow keys.
How this calculation works
Subtract clock minutes, add24 hours only when you explicitly select next day, then subtract the break. This is not a timestamp/DST calculation, payroll service or overtime determination.
Check the assumptions
Use the stated units and conventions. This tool supports the workflow described here; it does not infer missing information or outside rules.