Using the MROUND Worksheet Function

Excel provides several different worksheet functions you can use to round a value in differing ways. For instance, you may want to round a number to some odd value, such as rounding to the nearest multiple of 7 or to the nearest 50.

For these times, you should use the MROUND worksheet function. The syntax for the MROUND function is as follows:

=MROUND(num, multiple)

The num argument is the number you want to round, while multiple is the value you want used in the rounding. Thus, if you want to round to the nearest 50, then multiple would be 50.

If you decide to use MROUND, it is important to remember that num and multiple must be the same sign. If one of them is positive and the other negative, then Excel returns a #NUM! error.