Weighted Average Calculator: Formula & Worked Example
Calculate an average where values have different weights. Calculate instantly in your browser with editable inputs, a worked example and clear assumptions. No account required.
How it is calculated
(Value 1 × Weight 1 + Value 2 × Weight 2) ÷ (Weight 1 + Weight 2)
Weights can be counts or percentages, provided they use the same scale and their sum is nonzero.
Worked example
- Value 1
- 80
- Weight 1
- 40
- Value 2
- 60
- Weight 2
- 60
Example result: 68
The interactive tool lets you edit every input and reset to this example. Calculations run in your browser.
Questions and answers
Are my calculator inputs sent to a server?
These calculations run in your browser. The calculator does not send your entered values to a calculation server or save them to your learning account.
Why can the result differ from a full spreadsheet model?
Each calculator uses the equation and assumptions shown on this page. Displayed values may be rounded. A workbook with different timing, fees, filters or source data can produce a different result.
Can I use the calculator without an account?
Yes. All 73 calculators are available to guest learners. The worked example shows the default inputs, and Reset restores them.
Related calculators
- Percentage Change — Measure increase or decrease from an old value to a new value.
- Markup — Calculate selling price from cost and markup percentage.
- Profit Margin — Calculate profit as a percentage of selling price.
All 73 calculators · Practise in the Excel Simulator
Interactive practice runs in your browser.