Hours Calculator

Calculate working hours between two times.

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What is this calculator?

Calculate working hours between two times.

What can you use it for?

Use it for practical planning, conversions, measurement or checking the result described here. Calculate working hours between two times.

How to use it

  1. Enter start time.
  2. Enter end time.
  3. Enter unpaid break (minutes).
  4. Select Calculate (or Generate for random tools).
  5. Read the answer and any additional results below the form. Check the units and the limits of the method.

Formula and method

Working minutes = end − start − unpaid break
Decimal hours = working minutes ÷ 60

An end time earlier than the start is treated as an overnight shift.

Worked example

Start time: 09:00, End time: 17:30, Unpaid break (minutes): 30. The result is 8 hours (working time after breaks).

Assumptions and limits

Use the units and formats shown in the input labels. Actual conditions and applicable standards may differ from this simplified calculation.

Frequently asked questions

What inputs does the Hours Calculator need?

Use start time, end time, unpaid break (minutes). Read the answer and any additional results below the form. Check the units and the limits of the method.

What assumptions apply to the Hours Calculator?

Use the units and formats shown in the input labels. Actual conditions and applicable standards may differ from this simplified calculation.

A little help with the numbers

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