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Math Tools

Weighted Average Score Calculator with Formula and Worked Examples

Calculate a weighted average from two values and their weights. Enter first value, second value, third value and first denominator and a few more details and read the result straight away. Weights must be non-negative and at least one must be positive.

01

Your inputs

Start with the example, or enter your own values.

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02

Your result

A little clarity, coming right up.

Make room for the answer.

Enter your values and run the tool. Your result will appear here.

How to use the Weighted Average Score Calculator

Enter the first value, second value, third value, first denominator and second denominator and the result appears straight away. Everything runs in your browser, so nothing you type is uploaded.

The formula

Weighted mean = (a×w1 + b×w2) ÷ (w1+w2).

Examples

  • With the default values
    Weighted average: 15.5
  • With first value set to 24
    Weighted average: 20.5

Limitations and assumptions

Review inputs, units and assumptions before relying on the result. Detailed content, accessibility and edge-case review remains ongoing.

Frequently asked questions

What does the Weighted Average Score Calculator do?

Calculate a weighted average from two values and their weights.

How does the Weighted Average Score Calculator work?

Enter the first value, second value, third value, first denominator and second denominator and the result appears straight away. Everything runs in your browser, so nothing you type is uploaded.

What formula does the Weighted Average Score Calculator use?

Weighted mean = (a×w1 + b×w2) ÷ (w1+w2).

What should I keep in mind when using the Weighted Average Score Calculator?

Review inputs, units and assumptions before relying on the result.

Can I see an example of the Weighted Average Score Calculator?

Weights must be non-negative and at least one must be positive.

Is the Weighted Average Score Calculator free to use?

Yes. It is free, needs no account and runs in your browser.