There are 3 methods to use the ROUNDDOWN function in Excel to round up numbers, and we have explained all of them in this post.

Start Excel and open the worksheet containing the number you want to round up. Click inside of the cell where you want to display the calculation. Type "=ROUNDUP ()" into the formula bar.

Multiplying an entire Excel column by the results of a formula can be a little tricky, especially if the formula is complicated or subject to change.