If you have a lengthy column of numbers that you need to multiply by a percentage, Excel includes tools to instantly apply the product to the entire range of cells in the column.

How to multiply in Excel: Multiplying each number in a column by a constant If you have a data set and you need to multiply each value in that set by a constant number, you can do that in Excel.

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.

We explain how to use the Excel Column and Excel Columns functions. They are Lookup and Reference functions in Microsoft Excel.

Adding a new column to either an entire spreadsheet or just a portion is an easy thing to do in Microsoft Excel. Here's how.