Time Duration Calculator
Find the elapsed hours and minutes between two clock times.
How to calculate time duration
Enter the start and end times. If the interval crosses midnight, select “End time is on the next day.” The result gives hours and minutes, total minutes, and decimal hours.
Converting minutes to decimal hours
Divide minutes by 60 and add the result to the whole hours. For example, 2 hours 30 minutes equals 2.5 decimal hours.
Frequently Asked Questions
Yes. Select the next-day option for intervals such as 10:00 PM to
2:00 AM.
Yes. Enter the same start and end time and select next day for a
24-hour duration.