But when it comes to comparing two or more arrays, especially with multiple criteria, SUMPRODUCT is the most effective, if not the only, solution. Usually in Microsoft Excel, there is more than one way to accomplish the same task. Further on in this tutorial, you will find a handful of formulas that demonstrate more advanced and exciting uses, so please keep reading. The real beauty of the Excel SUMPRODUCT function is that it can do far more than its stated purpose. Multiplying two or more ranges together and then summing the products is the simplest and most obvious usage of SUBTOTAL in Excel, though not by far the only one. How to use SUMPRODUCT in Excel - formula examples If you want to only multiply the numbers in each row without adding up the products, then use one of the formulas to multiply columns in Excel. Just think how much time it could save you if your table contained not 3 rows of data, but 3 hundred or 3 thousand rows! In other words, our SUMPRODUCT formula performs the following mathematical operations: When all of the array elements are multiplied, the formula adds up the products and returns the sum. The formula takes the 1 st number in the 1 st array and multiplies it by the 1 st number in the 2 nd array, then takes the 2 nd number in the 1 st array and multiplies it by the 2 nd number in the 2 nd array, and so on.Here is what's going on under the hood in terms of math: The following screenshots shows it in action: In Microsoft Excel, you can get the result with a single SUMPRODUCT formula: If you were doing a school math test, you would multiply the quantity by price for each item, and then add up the subtotals. Supposing you have quantity in cells A2:A4, prices in cells B2:B4, and you wish to find out the total. To gain a general understanding of how the Excel SUMPRODUCT function works, consider the following example. SUMPRODUCT does not support wildcard characters.Please see the SUMPRODUCT with multiple criteria example for more details. In most cases, you'd need to convert them to 1 and 0 by using the double unary operator (-). If an array is a logical test, it results in TRUE and FALSE values.If any array argument contains non-numeric values, they will be treated as zeros.All arrays in a SUMPRODUCT formula must have the same number of rows and columns, otherwise you get the #VALUE! error.SUMPRODUCT as alternative to array formulas.SUMPRODUCT formula for calculating weighted average.Conditionally count / sum / average cells.SUMPRODUCT with multiple criteria (compare arrays).How to use SUMPRODUCT in Excel - formula examples.Excel SUMPRODUCT function - syntax and basic uses.The following examples will reveal the full power of SUMPRODUCT and its effectiveness will become crystal clear. Due to its unique ability to handle arrays in smart and elegant ways, SUMPRODUCT is extremely useful, if not indispensable, when it comes to comparing data in two or more ranges and calculating data with multiple criteria. In fact, SUMPRODUCT is a remarkably versatile function with many uses. But that definition does not show even a tiny fraction of what Excel SUMPRODUCT is capable of. When you hear the name of SUMPRODUCT for the first time, it may sound like some useless formula that performs an ordinary sum of the products operation. You will find a number of formula examples to compare arrays, conditionally sum and count cells with multiple criteria, calculate a weighted average and more. The tutorial explains the basic and advanced uses of the SUMPRODUCT function in Excel.
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