Weighted Average Calculator
Calculate a weighted average from values and their weights.
One pair per line, using the value; weight format.
| Value | Weight | Product |
|---|---|---|
| 12 | 1 | 12 |
| 15 | 2 | 30 |
| 18 | 3 | 54 |
Calculation: 96 / 6 = 16.
How is this result calculated?
A weighted average is calculated with sum(value × weight) / sum of weights.
The detail table shows each intermediate product so the calculation can be checked quickly.
Frequently asked questions
What is a weighted average?+
A weighted average gives more or less importance to each value by using a weight.
How do I enter the data?+
Enter one pair per line using the value; weight format. For example: 15;2.
What formula is used?+
The calculator adds the value × weight products, then divides by the sum of weights.
Can weights be decimal numbers?+
Yes, decimal weights are accepted with either a dot or a comma as the decimal separator.