Calculators
Time Duration Calculator: Hours Between Two Times
Free, no sign-up, works in your browser. Work out the hours and minutes between two times, including overnight shifts and breaks, or add and subtract lists of hours like 8:30 + 7:45. Results in hours and minutes and in decimal hours for timesheets.
8 hours
From 09:00 to 17:30, minus 30 minutes.
- Hours and minutes
- 8:00
- Decimal hours
- 8
- Minutes
- 480
Worked out on your device.
How to use the Time Duration Calculator
- Pick a start and end time, and a break if there was one.
- Or switch to adding hours and type times one per line.
- Read the total in hours and minutes or decimal hours.
Frequently asked questions
- How do I calculate hours between two times?
- Subtract the start from the end. From 9:00 to 17:30 is 8 hours 30 minutes; take off a 30-minute break and it's 8 hours.
- What if the shift goes past midnight?
- An end time earlier than the start is counted as the next day, so 22:00 to 6:30 is 8 hours 30 minutes.
- How do I convert minutes to decimal hours?
- Divide the minutes by 60: 8 hours 30 minutes is 8.5 hours, and 45 minutes is 0.75.
- Can I add up a week of hours?
- Yes. Switch to Add and subtract hours and type each day's hours on its own line.
- Is the Time Duration Calculator free?
- Yes. It's free to use, with no sign-up and nothing to install.
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