Weighted Average Calculator

What Is a Weighted Average ?

Meaning of Weighted Average A weighted average (also called weighted mean) is an average where each data value gets multiplied by a weight before the sum is divided. The weight reflects how much importance that value carries relative to others. It is also known as the weighted mean. Weighted vs Simple Average A simple average adds all numbers together and divides by the count. Every value has equal influence.

How to Use the Weighted Average Calculator?

1 Enter Values Type each data value into the 'Value' column. These are the numbers you want to average — exam grades, investment returns, survey ratings, or any measurement. 85 2 Add Weights Enter the weight for each value in the 'Weight' column. Weights tell the calculator how much importance each value carries. For grades, weights are credit hours.

Why Use a Weighted Average Instead of a Simple Average ?

Equal vs Unequal Importance In most real-world situations, not all data points carry the same significance. A 4-credit course should influence your GPA more than a 1-credit seminar. A simple average ignores this, while a weighted average captures the true picture. Greater Accuracy A weighted average produces results that more accurately reflect reality.