Weighted Avg

Features

The Weighted Average Calculator is a professional online statistical tool for calculating the weighted mean considering the importance of each value.

Main Features

1. Weighted Average Calculation

Enter values and weights to calculate the weighted average

2. Detailed Formula Display

Shows the weighted calculation process for each value

3. Batch Input

Enter one value and corresponding weight per line

4. Error Handling

Automatically filters items with zero or negative weights

5. One-Click Copy

Calculation results can be copied to clipboard with one click

How to Use

1. Enter one value and corresponding weight per line, separated by comma or space
2. Format: value,weight (one pair per line)
3. Click the "Calculate Weighted Average" button to get the result
4. If you need to copy the result, click the "Copy Result" button

Use Cases

• Grade Calculation: Calculate weighted by assignments, midterm, final exam
• Stock Investment: Calculate average cost by holdings
• Performance Evaluation: Calculate weighted comprehensive scores
• Quality Assessment: Weighted evaluation by importance

FAQ

What is Weighted Average?

Weighted average considers the importance of each value. For example: final exam has higher weight.

What is the weighted average formula?

Weighted Average = Σ(value×weight) / Σ(weight)

Can weights be decimals?

Yes, weights can be any positive number