Do I need to sign up?

No. The tool works without an account.

Are my data uploaded?

Compatible operations run locally in the browser.

Weighted average = Σ(value × weight) / Σ(weight). Weights must sum to a positive number.

You can use any positive weights (0.3, 0.7 or 30, 70). The formula normalizes them.

Calculate the weighted average of a list of values with their weights.

Number list

Separate values with spaces, commas, semicolons, or line breaks.

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Recommended next step

After using Weighted Average Calculator, continue with Weighted Mean Calculator.

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4 steps

Tool guide

Practical information to understand the result and use this tool correctly.

Calculate the weighted average of a list of values with their weights.

The tool runs directly in the browser for immediate results.

Do I need to sign up?: No. The tool works without an account.
Are my data uploaded?: Compatible operations run locally in the browser.
What is the formula?: Weighted average = Σ(value × weight) / Σ(weight). Weights must sum to a positive number.
What if weights are percentages?: You can use any positive weights (0.3, 0.7 or 30, 70). The formula normalizes them.