About the Weighted Average Calculator
Weighted Average Calculator does the math for you. Enter your values in the format shown and the result appears immediately — no spreadsheets, no formulas to remember, and nothing is uploaded to a server.
How Weighted Average Calculator works
Weighted average = Σ(value × weight) ÷ Σ(weight).
Worked example: 90,2 and 80,1 → (180 + 80) ÷ 3 ≈ 86.67
How to use
- Enter your values as shown in the input box.
- The result is calculated instantly.
- Click Copy to use it.
Common uses
- Quick everyday math.
- Double-checking figures fast.
- Schoolwork and homework.
- Finance, health and planning.
Frequently asked questions
Is my data uploaded?
No — the calculation runs entirely in your browser, so your data stays private.
Is it free?
Yes — completely free with no sign-up.