Shift Schedule Calculator

How to calculate shift duration?

Shift duration is the total time worked from start to end, which determines your weekly load.

Formula: Shift Duration = End Time - Start Time.

Using the calculator with rotating shifts

Rotating shifts often vary in length; use the average duration or calculate per unique shift.

Example of mixed shifts:

• 3 days of 8-hour shifts = 24 hours
• 2 days of 12-hour shifts = 24 hours
• Weekly Total = 48 hours

Frequently Asked Questions

Does this include unpaid breaks?

Standard calculations usually subtract 30-60 minutes for unpaid lunch breaks.

How are overnight shifts calculated?

Shifts crossing midnight are calculated by the total elapsed time from start to end.

What is a typical full-time load?

A standard full-time work week is generally considered 35 to 40 hours.