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Weighted Average Calculator

Calculate a weighted average (weighted mean) – for grades with different weightages, portfolio returns or survey scores. Add rows of value and weight; see the working.

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Values & weights

What is the Weighted Average Calculator?

A weighted average gives some values more importance than others. For example, if the final exam counts 50%, midterm 30% and assignments 20%, a simple average would be wrong. Enter each value with its weight (percent, credit hours or quantity) and the calculator shows the weighted average and the working.

How to use the Weighted Average Calculator

  1. Add a row for each item: value and weight.
  2. Weights can be percentages, credits or counts.
  3. Read the weighted average and the formula.

Formula

Weighted average = Σ(value × weight) ÷ Σ(weight).

This Weighted Average Calculator is 100% free, needs no signup and runs privately in your browser – on phone, tablet or computer.

Last updated: · By NodifyTech