In Excel, with a specific criteria we can add the sum of multiple columns. We can create a formula using the Sum, If and Sumproduct functions.
Let’s take an example:
If you manually add up the values for columns B:E where column A contains “Pen”, you will see that it adds up to 99, which we have also derived from the formula.
Now lets understand the Sumproduct function.
SUMPRODUCT: SUMPRODUCT function multiplies the corresponding items in the arrays and returns the sum of the results.
We can follow another method to do the same calculation. We can use Sum & IF together to get the desired result as follows:
Formula in cell E14 would be =SUM(IF(A2:A10="Pen",B2:E10))along with CTRL + SHIFT + ENTER
This is an array formula & has to be enclosed with CSE(Ctrl + Shift + Enter keys on the keyboard).
IF: Checks whether a condition is met, and returns one value if TRUE, and another value if FALSE
Logical test is the condition or a value that you want to test.
value_if_true is optional. It is the value that is returned if the condition is TRUE.
value_if_false is optional. It is the value that is return if the condition is FALSE.
Sum: Adds all the numbers in a range of cells
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