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How to sum values without or with n/a in Excel?

When summing a range of data mixed with #n/a error, you will get the #n/a error result instead of the correct result. For getting the accurate calculate result, you need to exclude the #n/a cell, or just include the #n/a cell in the formula. With this article, you will learn how to sum values without or with n/a in Excel.

Sum values without or with n/a in Excel

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arrow blue right bubbleSum values without or with n/a in Excel

In this section, we will show you two formulas of summing values without or with n/a in Excel. Supposing you have a range of data as below screenshot shown. For summing all values without or with n/a, please do as follows.

1. Select a blank cell, copy and paste the one of the below formulas into the Formula Bar:Formulas:

A: Sum without #n/a: =SUMIF(A2:C6,"<>#n/a") + Enter key

B: Sum with #n/a: =SUM(IF(ISNA(A2:C6),0,A2:C6)) + Ctrl + Shift + Enter keys together.


1. A2:C6 is the range you will sum. You can change it as you need.

2. When using the first formula, all n/a cells in the range won’t be included in the summing, while using the second one, all n/a cells are included in the summing. But these two formulas will get the same summing result.

You can see the summing result as below screenshot shown.

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