← Back to Math

Weighted Average Calculator

Calculate the weighted mean of a set of values. Each value has its own weight.

ValueWeight
Weighted Average86.5
Sum of weights1
Number of items4

Each item's contribution:

Item 1 (v=90, w=0.3)30.0%
Item 2 (v=85, w=0.3)30.0%
Item 3 (v=78, w=0.2)20.0%
Item 4 (v=92, w=0.2)20.0%