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BUZZ NEXTERS TOOLS
Runs on your device

Time Duration Calculator

Work out shift lengths, working hours or elapsed time, including overnight periods and unpaid breaks.

min

The end time is earlier than the start, so it's counted as the next day.

Duration

8 h 30 min

Decimal hours

8.5

Useful for timesheets and payroll.

Total minutes

510

Runs in your browser: your files and data never leave your device.

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What is Time Duration Calculator?

A time duration calculator measures how much time passes between a start and an end time.

How to use Time Duration Calculator

  1. 1

    Choose times or dates and times.

  2. 2

    Enter start, end and any break.

  3. 3

    Read the duration in hours:minutes and decimal hours.

Features

  • Overnight support
  • Break deduction
  • Decimal hours for timesheets
  • Multi-day durations

Practical uses

  • Timesheets and payroll.
  • Measuring travel or project time.

Limitations

  • Durations are calculated on wall-clock time; daylight-saving changes during the period aren't adjusted.

Frequently asked questions

What are decimal hours?

Hours expressed as a decimal number, e.g. 7 h 30 min = 7.5 hours, useful for payroll.