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How to multiply two columns and then sum in Excel?

In Excel, most of us may suffer to multiply two columns and then add them up, of course, we can multiply each items and then sum them, but this will be troublesome if there are hundreds or thousands rows need to calculate. In Excel, there is a powerful function – SUMPRODUCT, with it, we can quickly multiply two columns and then sum them. This article, I will talk about how to apply this function.

Multiply two columns and then sum without criteria

Multiply two columns and then sum based on criteria


Combine duplicate rows and sum / average corresponding values:

1. Specify the key column that you want to combine and sum other column based on;

2. Choose one calculation for your combined data.

doc-multiply-then-sum-7

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arrow blue right bubble Multiply two columns and then sum without criteria


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Supposing you have the following data range which you need to multiply the quantity column and unit price and then add up all the multiply results together to get the total price:

doc-multiply-then-sum-1

Here, you can apply the SUMPRODUCT function to solve it, please enter this formula: =SUMPRODUCT(B2:B9,C2:C9) into the specific blank cell,(B2:B9, C2:C9 are the two columns range that you want to do the calculation), and then press Enter key to get the result, see screenshot:

doc-multiply-then-sum-1


arrow blue right bubble Multiply two columns and then sum based on criteria

1. Multiply two columns and then sum with one criterion

In the following worksheet data, I just want to get the total price of apple, so we can expand the SUMPRODUCT function, please enter this formula: =SUMPRODUCT(B2:B10,C2:C10*(A2:A10="Apple"))( B2:B10, C2:C10 are the two columns range that you want to do the calculation and A2:A10="Apple" is the criteria that you based on ), and then press Enter key to return the calculation result:

doc-multiply-then-sum-1

2. Multiply two columns and then sum with more criteria

(1.) Multiply two columns and then sum based on multiple criteria in multiple columns

We can also use the SUMPRODUCT function to multiply two columns and add up the values based on more criteria, for instance, I want to calculate the total price of apples are supplied by China as following screenshot shown:

doc-multiply-then-sum-1

Please type this formula: =SUMPRODUCT(C2:C10*(A2:A10="Apple"),D2:D10*(B2:B10="China")) into a blank cell, (C2:C10, D2:D10 are the two columns range that you want to do the calculation and A2:A10="Apple", B2:B10="China" are the criteria that you based on ), then press Enter key to get the result you want.

doc-multiply-then-sum-1

(2.) Multiply two columns and then sum based on multiple criteria in the same column

If I need to calculate the total price of apples and oranges, please use this formula: =SUMPRODUCT(((A2:A10="apple")+(A2:A10="orange")),C2:C10,D2:D10),(C2:C10, D2:D10 are the two columns range that you want to do the calculation and A2:A10="Apple", A2:A10="Orange" are the criteria that you based on), and then press Enter key, you will get the result as you like:

doc-multiply-then-sum-1

Note: The above examples are some basic formulas, you can add more criteria as you need within the basic formula.


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    christeena · 1 years ago
    Display only quantity and product name field.when I type quantity ,total amount will display on another textbox.It means that unit price from database column.