SUM

Adds all the numbers in a range of cells.

Syntax

SUM(number1,number2, ...)

Number1, number2, ... are 1 to 255 arguments for which you want the total value or sum.

Remarks

• Numbers, logical values, and text representations of numbers that you type directly into the list of arguments are counted. See the first and second examples following.
• If an argument is an array or reference, only numbers in that array or reference are counted. Empty cells, logical values, or text in the array or reference are ignored. See the third example following.
• Arguments that are error values or text that cannot be translated into numbers cause errors.

Example

The example may be easier to understand if you copy it to a blank worksheet.

How to copy an example

1. Create a blank workbook or worksheet.
2. Select the example in the Help topic.

   Note Do not select the row or column headers.

   Selecting an example from Help

3. Press CTRL+C.
4. In the worksheet, select cell A1, and press CTRL+V.
5. To switch between viewing the results and viewing the formulas that return the results, press CTRL+` (grave accent), or on the Formulas tab, in the Formula Auditing group, click the Show Formulas button.

See also:

• Add numbers
• Add times
• Calculate a running balance
• Calculate the average of a group of numbers
• COUNT
• Count unique values among duplicates
• COUNTA
• Math and trigonometry functions
• Subtract numbers