Hours Calculator
This free hours calculator (work hours calculator) totals hours worked between a start and end time, subtracts unpaid breaks, and handles overnight shifts — useful as a time clock or time card helper.
How total work hours are calculated
If the end time is earlier than the start time (an overnight shift), 24 hours is added automatically before subtracting the break.
Time card and payroll uses
Decimal hours are handy for payroll systems that calculate pay as rate × decimal hours. Combine with the Salary / Paycheck Calculator or Time Calculator.
Frequently Asked Questions
How do I calculate hours worked?
Enter start time, end time, and unpaid break minutes. This work hours calculator subtracts the break and returns total hours (including overnight shifts).
Can I use this as a time card calculator?
Yes — it totals a shift like a time clock / time card calculator. Add multiple shifts manually if you need a full week.