How to use the SUMPRODUCT function in Excel

In this article, we will learn How to use the SUMPRODUCT function in Excel.

Calculate the Total price multiplying quantity with Price per product plus Interest and other ?

Mostly working at grocery shopping stores where you need to multiply some values (quantity, price, tax) for each product and then take the SUM of all the products to get the total order price.

For example we have 9 values. Here we need to multiply in each row and then sum the column (where the multiplied result is stored).

 3 7 6 126 5 9 2 90 1 4 8 32 248

Total= ( 3 * 7 * 6 + 5 * 9 * 2 + 1 * 4 * 8 ) = 248

This is hectic when you just need the total price for the order. Excel provides you with the SUMPRODUCT function which does this task. Let's learn how to use SUMPRODUCT function.

SUMPRODUCT Function in Excel

SUMPRODUCT function is a mathematical function in Excel. It operates on multiple ranges. It multiplies the corresponding arrays and then adds them.

Syntax :

 =SUMPRODUCT (array1, [array2], ...)

First array : first array as reference. Like A1:A10 (10 values)

Second array : second array as reference. Like A1:A10 (10 values)

Thirst array, fourth array, fifth goes on.

Example :

All of these might be confusing to understand. Let's understand how to use the function using an example. Here we have a vegetable store and the job is to calculate the bill for individual customers.

We need to find the total amount for the order.

Use the formula

 =SUMPRODUCT(B2:B6,C2:C6)

You will get the total here.

If there’s text in any cell will be considered as 0.

SUMPRODUCT function can be used in counting cells having condition or criteria.

Another example

So, let's test this formula via running it on the example shown below.

Here the problem is we need to find the total price for the product “Carrot”.

So here we use the formula to get the total price for Carrot

 =SUMPRODUCT(--(A2:A19="Carrot"), B2:B19, C2:C19)

A2:A19 : checks the range A2:A19 for the text “Carrot” and returns True if finds “Carrot” or else False

-- : the operator decodes True as 1 and False as 0.

B2:B19 : Quantity (range) to be multiplied with Unit Price.

C2:C19 : Unit price (range) to be multiplied with Quantity.

 Product Quantity UnitPrice Price 1 33 1.77 58.41 0 87 3.49 0 0 58 1.87 0 0 82 1.87 0 0 38 2.18 0 1 54 1.77 95.58 0 149 3.49 0 1 51 1.77 90.27 1 100 1.77 177 0 28 1.35 0 0 36 2.18 0 0 31 1.87 0 0 28 3.49 0 1 44 1.77 77.88 1 23 1.77 40.71 0 27 1.35 0 0 43 2.18 0 0 123 2.84 0 539.85

As you have understood from the above snapshot and table, that SUMPRODUCT function multiplies corresponding values and returns the Sum as outcome.

1’s & 0’s in the left most column is the IF logic used in SUMPRODUCT function.

So here we use the formula for total price for Whole wheat

 =SUMPRODUCT(--(A2:A19="Whole wheat"),B2:B19,C2:C19)

A2:A19: checks the range A2:A19 for the text “Whole wheat” and returns True if finds “Carrot” or else False

-- : the operator decode True as 1 and False as 0.

B2:B19 : Quantity (range) to be multiplied with Unit Price.

C2:C19 : Unit price (range) to be multiplied with Quantity.

 Product Quantity UnitPrice Price 0 33 1.77 0 1 87 3.49 303.63 0 58 1.87 0 0 82 1.87 0 0 38 2.18 0 0 54 1.77 0 1 149 3.49 520.01 0 51 1.77 0 0 100 1.77 0 0 28 1.35 0 0 36 2.18 0 0 31 1.87 0 1 28 3.49 97.72 0 44 1.77 0 0 23 1.77 0 0 27 1.35 0 0 43 2.18 0 0 123 2.84 0 921.36

As you have understood from the above snapshot and table, that SUMPRODUCT function multiplies corresponding values and returns the Sum.

1’s & 0’s in the left most column is the IF logic used with SUMPRODUCT function.

Here are all the observational notes using the SUMPRODUCT function in Excel
Notes :

1. The formula only works with only to look up the exact match.
2. The SUMPRODUCT function considers non-numeric values as 0s.
3. The SUMPRODUCT function considers logic value TRUE as 1 and False as 0.
4. The argument array must be the same size else the function returns an error.
5. SUMPRODUCT function returns the value corresponding to the TRUE values in the returned array after taking individual products in the corresponding array.
6. Operators like equals to ( = ), less than equal to ( <= ), greater than ( > ) or not equals to ( <> ) can be performed within a formula applied, with numbers only.

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