How to Use the Work Hours Calculator
Enter your clock-in time, clock-out time, and break time, and this tool automatically calculates your actual, pure working hours. It instantly answers the question "how many hours did I actually work today?" — which matters especially when you're calculating hourly pay or checking whether you've hit overtime.
Simply subtracting clock-in from clock-out doesn't give you an accurate work total. Lunch breaks and other paid or unpaid downtime need to be subtracted to get your real working hours. This calculator handles that subtraction automatically and shows the result both as hours and minutes and as a decimal hour figure.
It also automatically detects overnight shifts where the clock-out time falls on the next day. For example, a shift that starts at 10 PM and ends at 7 AM the next morning is calculated correctly, so shift workers can use it without any extra steps.
The result shows both a plain hours-and-minutes format and a decimal hours figure. The decimal version is often more convenient when multiplying by an hourly rate to get a day's pay, or when reviewing a timesheet or pay stub — use whichever format fits what you're working on.
Frequently Asked Questions
Yes. If your clock-out time is earlier than your clock-in time, it's automatically treated as crossing midnight into the next day. For example, clocking in at 10 PM and out at 7 AM the next morning calculates correctly.
If the break time you enter is longer than your total shift (clock-in to clock-out), an error message appears. In that case, double-check your clock-in/out times and break minutes.