If you have workers that work shifts and you are trying to determine how effective they are, you may use Excel to determine a ratio, for example, kilograms picked per hour. If you use Excel time format, a 24 hour day is represented in a fraction format e.g. 8 hours of work is shown in Excel as 0.33333 (8hrs/ 24 hrs) and you can format it to show as 8:00:00 . If you use this in a calculation though you will need to divide by 24 hours to get an appropriate number.
So if a worker picks 120 kg in 8 hours, the obvious answer is 15 kg per hour. If you simply divide the 2 cells in excel it will give you an answer of 360. Divide the 360 by 24 you get to the 15 you require.
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