Weighted Mean Calculator

Calculate the weighted average when values have different importance or frequency.

  • Free Online Tool
  • Instant Results
  • Mobile Friendly
  • No Installation
  • Secure & Private

Understanding This Calculator

Weighted Mean Formula

Average where some values contribute more than others.

x̄w = Σ (wi × xi) / Σ wi

Example 1 (Grades)

Test (80, wt=1), Final (90, wt=2)

  • Numer: (80×1) + (90×2) = 80 + 180 = 260
  • Denom: 1 + 2 = 3
  • Mean = 260 / 3 ≈ 86.67

How to Use

  • Enter values separated by commas.
  • Enter corresponding weights.

Frequently Asked Questions

How do I use the Weighted Mean Calculator?

Enter your values in the input fields, and the result will appear instantly.

Is this calculator free to use?

Yes, this calculator is 100% free and does not require any registration or subscription.

Is it mobile-friendly?

Absolutely! Our tool is optimized for all devices, including mobile phones, tablets, and desktop computers.