Time Duration Calculator

How long was that shift, meeting or journey? Enter a start and end time (overnight shifts work too) or two full dates and times, subtract any unpaid break, and get the duration in hours and minutes, in decimal hours for timesheets and payroll, and in total minutes.

How to use Time Duration Calculator

1. Choose between two times of day or two dates and times.
2. Enter the start and the end.
3. Enter any unpaid break in minutes.
4. Read the duration, including decimal hours (7 h 30 min = 7.5 h).

When it comes in handy

• Filling in timesheets and working out pay.
• Measuring how long a task, trip or event took.
• Counting hours across midnight.

Frequently asked questions

What if the end time is earlier than the start?

In the times-of-day mode the calculator assumes the shift ran past midnight and adds a day.

How do I turn minutes into decimal hours?

Divide the minutes by 60: 45 minutes is 0.75 hours, so 8 h 45 min is 8.75 hours.