Work & time

Working time calculator

Calculate working hours from start time, end time, break duration and workdays per week.

Updated on Apr 21, 2026 Calculator, calculation path and examples on one page

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Calculator

Start time

End times

Break in minutes

working days per week

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Examples

08:30 to 17:15 with 45 minutes break.

daily working hours: 08:00 hours

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07:00 to 13:00 with 15 minutes break.

daily working hours: 05:45 hours

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14:00 to 22:30 with 30 minutes break.

daily working hours: 08:00 hours

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FAQ

Can the calculator calculate beyond midnight?

Yes. If the end time is before the start time, midnight is automatically calculated.

Is it compulsory to enter the break?

Only if you want to take them into account. Without a break the value remains 0.

Why does the calculator also show the time of the month?

As a quick guide, the time per week is extrapolated to an average month by a factor of 4.333.

Is the calculator suitable for shift work?

Yes, especially for individual services or standard shifts.

Are public holidays included?

No, this calculator only looks at the typical daily and weekly rhythm.

Related calculators

Add or subtract multiple time blocks and display them as the total duration.

Convert time minutes to industrial minutes and back.

Calculate working days between two dates with state and holidays.

Sources and notes