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Cifrivo
Technology

Hours calculator

Calculate one workday or multiple shifts and subtract their breaks.

Calculate hours worked

Shift 1

8 h 0 min

Time worked

8 h 0 min

minutes

480

Decimal hours

8

How it works

  1. Enter each shift's start and end.
  2. Add break minutes.
  3. Add more shifts when needed.
  4. Review hours, minutes and decimal time.

Practical example

8:30 to 17:15 with a 45-minute break equals exactly 8 hours worked.

Formula and explanation

Start time is subtracted from end time, followed by the break.

When end time is earlier, the shift is treated as ending the following day.

Frequently asked questions

Are overnight shifts supported?

Yes. A 22:00 to 06:00 shift is calculated into the next day.

Can I add several shifts?

Yes. The result sums net time across every row.

Are breaks entered in minutes?

Yes. Enter the total unpaid or non-working break for each shift.