## Convert column letter to number in Excel

To convert a column letter to an regular number (e.g. 1, 10, 26, etc.) you can use a formula based on the INDIRECT and COLUMN functions. See example below: Formula =COLUMN(INDIRECT(letter&”1″)) Explanation In the example shown, the formula in C5 is: =COLUMN(INDIRECT(B5&”1″)) How this formula works The first step is to construct a standard “A1” …