Weighted Sum Table: Weighted sum by Value 1
Reference table of weighted sum for Weighted Sum across a range of value 1 values — exact, engine-computed figures you can read off at a glance.
Weighted Sum Calculator
Verified formula Updated Jun 2026 Private — runs on your device
Verified formula
Private
Weighted sum
110.0000
For general information only — not financial, tax, legal or medical advice. Verify before you rely on it.
How to use the Weighted Sum Calculator
The Weighted Sum Calculator works out your weighted sum in an instant. Enter value 1, weight 1 and value 2 and the result updates as you type — it is free, needs no sign-up, and runs entirely in your browser so your figures stay private.
- Enter the value 1.
- Enter the weight 1.
- Enter the value 2.
- Enter the weight 2.
- Enter the value 3.
- Enter the weight 3.
- Read off your weighted sum — the calculator updates automatically, with no button to press.
Formula
The Weighted Sum Calculator uses the formula:
Weighted sum = Value 1 × Weight 1 + Value 2 × Weight 2 + Value 3 × Weight 3
Worked example
For example, with value 1 of 10, weight 1 of 2, value 2 of 20 and weight 2 of 3 and the other inputs, the weighted sum is 110.0000.
| Value 1 | 10 |
|---|---|
| Weight 1 | 2 |
| Value 2 | 20 |
| Weight 2 | 3 |
| Value 3 | 30 |
| Weight 3 | 1 |
| Weighted sum | 110.0000 |
|---|
Results are estimates for educational use, not professional advice.
Frequently asked questions
Multiply each value by its weight and add the results. 10×2 + 20×3 + 30×1 is 110.
A weighted sum stops at the total; a weighted average then divides by the total weight.
Scoring systems, dot products and cost totals where items count by different amounts.
Yes. Negative weights subtract that value's contribution from the sum.
Enter the value 1. Enter the weight 1. Enter the value 2. Enter the weight 2. Enter the value 3. Enter the weight 3. Read off your weighted sum — the calculator updates automatically, with no button to press.
Related guides
How to Calculate Weighted Sum: Formula, Steps & Examples
Learn how to calculate Weighted Sum — the formula explained step by step, with worked examples and a free calculator to check your answer.