Time Clock Calculator
Calculate total hours worked between clock-in and clock-out times, including optional break deduction. Supports AM/PM format.
Published by:
isCalculator Editorial Team
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How to use this tool?
Follow these steps to calculate your total work hours:
- Enter Clock In time – Use the first field to set your start time (default: 09:00).
- Enter Clock Out time – Set your end time (default: 17:00).
- Enter Break duration – Type the number of unpaid break minutes (must be a non-negative whole number; default: 0).
- Click Calculate – Press the blue button to see the result.
What you get:
- Total worked time displayed as hours and minutes (e.g., 8h 0m) and in decimal hours (e.g., 8.00 hrs).
- A breakdown showing total minutes, your clock-in/out times, and break length.
Important notes:
- Times are in 24-hour format (e.g., 09:00 for 9 AM, 17:00 for 5 PM).
- The calculator handles overnight shifts (e.g., clock in at 22:00 and out at 06:00).
- Break must not exceed total time; otherwise an error appears.
- All fields are required – invalid entries show red borders and error messages.
Previous Results
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Frequently Asked Questions
Enter your clock-in and clock-out times in the provided fields. Optionally, enter the duration of any unpaid break in minutes. Click 'Calculate' to see the total hours worked.
Yes. If the clock-out time is earlier than the clock-in time, the calculator assumes the shift spans midnight and calculates accordingly.
The calculator will display an error message. Please adjust the break duration to be less than or equal to the total time.
