MROUND function
MROUND returns a number rounded to a specified multiple.
Syntax
MROUND(number, multiple)
- number is the value to be rounded.
- multiple is the multiple to which you want to round the number.
Note: It returns the #NUM! error if number and multiple have different signs.
Example
=MROUND(15.5,3) returns 15, because 15.5 is closer to 15 (=3*5) than to 18 (=3*6).