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how to calculate the weighted average in excel. Throughout this guide you need a data set to practice. To calculate the weighted average using the SUM function you need to multiply each element with its assigned importance in percentage.
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To calculate the weighted average using the SUM function you need to multiply each element with its assigned importance in percentage. However you can easily create your own Excel weighted average formula using the Excel Sumproduct and Sum functions. A weighted average on the other hand considers one or more numbers in the range to be worth more or have a greater weight than the other numbers.
This is illustrated in the example below.
This is illustrated in the example below. We can calculate a weighted average by multiplying the values to average by corresponding weights then dividing the sum of results by the sum of weights. This is because Excel doesnt provide a function in the Pivot Table that automatically calculates the weighted average. The basic formula for a weighted average where the weights add up to 1 is x1 w1 x2 w2 x3 w3 and so on where x is each number in your set and w is the corresponding weighting factor.
