Tom’s Tutorials For Excel: Rounding Elapsed Time by 5 Minutes
Here are 3 formulas that round an elapsed time by the 5-minute mark, in terms of nearest 5-minute mark, up to the next 5-minute mark, and down to the last (lower) 5-minute mark.
In the picture, notice the differences for each employee’s elapsed time in decimalized 5-minute segments, depending on if, and how, you decide to round or not round. The number 288 in the formulas relates to the count of 5-minute segements that comprise a full calendar day.
The formula that subtracts the raw difference, entered in cell D3 and copied down:
The subtraction formula rounding to the nearest 5-minute mark, entered in cell E3 and copied down:
The subtraction formula rounding up to the next 5-minute mark, entered in cell F3 and copied down: