Hours Calculator
Clock-in, clock-out and break minutes in, exact hours worked out. Night shifts included.
Overnight shifts are handled automatically. Enter 0 break if breaks are paid.
Getting timesheets right with a work hours calculator
Timesheet errors usually come from the same two places, which is why a dedicated work hours calculator beats mental math: forgetting the break and messing up the 60-minute borrow when subtracting times by hand. This calculator removes both problems. It converts your clock-in and clock-out to minutes, subtracts, takes off the break, and converts back to hours and minutes. The result is exact every time.
You also get decimal hours, which is the format most payroll systems expect. Seven hours and 45 minutes becomes 7.75, ready to type into the timesheet. If your employer tracks to the quarter hour, the decimal figure makes rounding obvious.
Breaks, paid and unpaid
Keeping your own records is smart even when your employer tracks time. Mistakes happen on both sides, and having your own numbers makes disputes easy to resolve. Jot down your clock-in and clock-out times each day, run them through the calculator weekly, and compare with your pay stub. It takes two minutes and protects your pay.
The break field is for unpaid time only. Lunch breaks are unpaid in most hourly jobs, so they come off the total. Short paid rest breaks stay in, so enter 0 if all your breaks are paid. When in doubt, check your contract or ask payroll: the rule varies by employer and by country.
For overnight shifts, enter the times as they happened and let the calculator sort out the date change. A 10:00 PM clock-in with a 6:00 AM clock-out and a 30-minute break gives 7.5 hours, which is exactly what it should be.
Frequently asked questions
How do I calculate my work hours?
Enter your clock-in time, your clock-out time, and your break in minutes. The calculator subtracts the break from the total span and shows your worked hours.
Does it work for overnight shifts?
Yes. If clock-out is earlier than clock-in, it is treated as the next day, so a 10 PM to 6 AM shift reads as 8 hours before the break is subtracted.
What if my break is unpaid?
Enter unpaid break minutes in the break field and they are subtracted. If your break is paid, enter 0 so nothing is subtracted.
What does the decimal hours number mean?
Decimal hours express the time as a single number, so 7 hours 30 minutes shows as 7.50. Many timesheets and payroll systems use this format.
Is my shift data stored?
No. The calculation runs entirely in your browser and nothing is uploaded, saved or shared.
How do I calculate work hours with a lunch break?
Enter your clock-in and clock-out times, then the break length in minutes. The timesheet calculator subtracts the break from the total. For example, 9:00 AM to 5:00 PM with a 30-minute break is 7.5 hours worked.
Can I use this as a timesheet calculator for payroll?
Yes, it works well for weekly timesheets: run each day through the work hours calculator and add the daily totals. For payroll, most employers round to the nearest quarter hour, so check your company policy.