How to Add Up Columns in Excel

Method 1 of 2:

Using the Columns

  1. How to Add Up Columns in Excel Picture 1
    Open your Excel document. Double-click the Excel document that you want to edit. Doing so opens it in Excel.
  2. How to Add Up Columns in Excel Picture 2
    Determine which of your columns is the longest. In order to include all of the cells in the longest column, you'll need to know to which row the column extends.
    1. For example, if you have three columns and the longest one has values from row 1 through row 20, your formula will need to include rows 1 through 20 for each column you want to add even if this includes blank cells.
  3. How to Add Up Columns in Excel Picture 3
    Determine your beginning and ending columns. If you're adding the A column and the B column, for example, your beginning column is the A column and your ending column is the B column.
  4. How to Add Up Columns in Excel Picture 4
    Select a blank cell. Click the cell in which you want to display the sum of your columns.
  5. How to Add Up Columns in Excel Picture 5
    Enter the "SUM" command. Type =SUM( ) into the cell.
  6. How to Add Up Columns in Excel Picture 6
    Enter the cell range. In the parentheses, type in the beginning column's top cell number, type a colon, and type in the ending column's letter along with the longest column's ending row.
    1. For example, if you're adding columns A, B, and C, and your longest column stretches to row 20, you would enter the following: =SUM(A1:C20)
  7. How to Add Up Columns in Excel Picture 7
    Press Enter. Doing so will display the sum of all of the columns in your selected cell.
Method 2 of 2:

Using Separate Cells

  1. How to Add Up Columns in Excel Picture 8
    Open your Excel document. Double-click the Excel document that you want to edit. Doing so opens it in Excel.
  2. How to Add Up Columns in Excel Picture 9
    Click a cell below one of the columns you want to add. Doing so will place your cursor in the cell.
  3. How to Add Up Columns in Excel Picture 10
    Enter the "SUM" command. Type =SUM( ) into the cell.
  4. How to Add Up Columns in Excel Picture 11
    Enter the column's range. Type the top cell in the column, a colon, and the bottom cell in the column into the parentheses.
    1. For example, if you're adding values in the A column and you have data in cells A1 through A10, you would type in the following: =SUM(A1:A10)
  5. How to Add Up Columns in Excel Picture 12
    Press Enter. This will display the sum of the column in your selected cell.
  6. How to Add Up Columns in Excel Picture 13
    Create the sums of the other columns you want to add. Once you have the sum of each column below the columns in question, you can proceed.
  7. How to Add Up Columns in Excel Picture 14
    Select an empty cell. Click the cell in which you want to display the sum of the columns you're adding together.
  8. How to Add Up Columns in Excel Picture 15
    Add together the cells in which you created the sums of the columns. You can do this by entering each cell's letter and number into the "SUM" command.
    1. For example, if you have the sum of each column in cells A11, B23, and C15, you would type =SUM(A11,B23,C15) into the empty cell.
  9. How to Add Up Columns in Excel Picture 16
    Press Enter. Doing so will display the sum of all of the columns in your selected cell.
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