Hours Calculator
Calculate time differences, subtract breaks, add or subtract hours, total segments, and weekly timesheets.
Time difference
8 Hour 0 Minute
Decimal hours
8
Minutes
480
Total seconds
28800
Hours Calculator FAQ
Use the hours calculator as a work hours calculator, time duration calculator, timesheet calculator, or add-hours calculator for shifts, breaks, payroll prep, and schedules.
How to use
- Choose time difference, time add, or time subtract
- Enter start and end time and optionally subtract breaks
- Use sum or timesheet modes for multiple ranges
- Review decimal hours, minutes, and detailed results
Examples
Timesheet total
Enter daily start, end, and break times to total a week.
Overnight shift
When the end time is earlier than the start time, it is treated as the next day.
Can I calculate work hours with breaks?
Yes. Enter start time, end time, and break time to get the net duration.
Can I calculate an overnight shift?
Yes. In time-only mode, an end time earlier than the start time is treated as the next day.
Can I add hours and minutes?
Yes. Use add or subtract modes for hour and minute offsets.
Calculate time differences, subtract breaks, add or subtract hours, total segments, and weekly timesheets. Core controls stay above the fold for fast use on desktop and mobile browsers.
Privacy: Time ranges and timesheets are processed locally in the browser.
Common searches
People also search for hours calculator · work hours calculator · time duration calculator · timesheet calculator · add hours calculator · time difference calculator