How does the Weighted Average work?

WA = Σ(wᵢ × xᵢ) / Σwᵢ Then: Weights need not sum to 1 Then: Equal weights → ordinary arithmetic mean.

Can you give an example of how to use the Weighted Average?

Example: Input Exam 60% weight (score 75) · Coursework 40% (score 85) gives a result of WA = 0.6×75 + 0.4×85 = 79 (Exam pulls grade down due to higher weight).

Is the Weighted Average free to use?

Yes — completely free with no registration, download, or subscription required. All calculations happen instantly in your browser.

How accurate is the Weighted Average?

Our Weighted Average uses verified mathematical formulas and is accurate to multiple decimal places. Results are calculated in real-time using the same methods used by professionals.

Is this Weighted Average medically accurate?

This tool uses clinically recognised formulas for general information and educational purposes. It is not a substitute for professional medical advice. Always consult a qualified healthcare provider for medical decisions.

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Weighted Average

📊Weighted Average Calculator

Values (comma separated)

Weights (comma separated)

Weights don't need to sum to 1

A weighted average assigns different importance to different values before averaging. Used when some observations should count more than others — such as course grades with different credit hours.

References

›Weighted arithmetic mean — Wikipedia

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Weighted Average

📊Weighted Average Calculator

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