Weighted Average Calculator

Combine values that have different weights or importance.

Enter your numbers

Weighted average83
Total weight100
Number of values3

Estimate based on the values entered.

Practical guide

Weighted Average Calculator

Worked example

Here is a simple Weighted Average example:

(80 × 30 + 90 × 70) ÷ (30 + 70) → 87.

Common mistakes to avoid

  • Weights can be percentages or points.
  • Use consistent weight units.
  • A zero-weight value does not affect the result.

Frequently asked questions

What does the Weighted Average calculate?

Combine values that have different weights or importance.

Which formula is used?

Weighted average = Σ(value × weight) ÷ Σ(weights)

Can I rely on this result?

Use the result as a planning estimate. Check important financial, tax, legal, investment, or health decisions with a qualified professional.