How To Sum Entire Column Except for Certain Rows(Header or First Row) in Excel
This post will guide you how to sum entire column except header or first row value in your worksheet in Excel. How do I sum entire column in excel except for certain rows with a formula in Excel.
Assuming that you want the sum of an entire column but the first row or the header row, and no matter how many entries a column is.
For Excel 2013, and you can use the following formula based on the SUM function to sum entire column except the first cell, type:
=SUM(B2:B1048576)
Or
=SUM(B:B)SUM(B1:B1)
Or
=SUM(B: B) B1
Note: if you want to sum an entire column without supplying an upper or lower bound, and you can use an formula based on the SUM function, type:
=SUM(B:B)
And if you want to sum all of row 1, and you can use the following formula:
=SUM(1:1)
B:B will select the entire column B and 1:1 will select the entire row 1.
Related Functions

Excel SUM function
The Excel SUM function will adds all numbers in a range of cells and returns the sum of these values. You can add individual values, cell references or ranges in excel.The syntax of the SUM function is as below:= SUM(number1,[number2],…)…