Weighted Average Calculator 計算機

此計算機用於 Calculate a weighted average from three values and their weights.

Math 更新 2026-05-11

輸入

Value A Weight A Value B Weight B Value C Weight C

Weighted average 輸入數值後計算。

Total weight 輸入數值後計算。

weighted average = sum(value x weight) / sum(weights).

此計算機用於 Calculate a weighted average from three values and their weights.

Scores 85, 92, 78 with weights 30, 50, 20 average to 87.1.

Weights can be percentages or points as long as they use one scale.

A zero total weight cannot produce a weighted average.

What inputs does this calculator need?

Value A, Weight A, Value B, Weight B, Value C, Weight C.

How should I round the result?

Keep extra digits while comparing values, then round for the final decision or report.

Can I reuse the result in another calculation?

Yes, but preserve the original inputs and units so the next calculation stays traceable.