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All computations and file processing run strictly in your browser. Zero server data uploads.
Compute weighted arithmetic means for grades, financial portfolios, unit economics, and data distributions.
Multi-Row Weighted Arithmetic Mean
Calculate true weighted averages for grades, portfolio asset returns, survey scores, and manufacturing batch costs.
Weighted Average
86.25
Sum of Weights
100.0
Simple Arithmetic Mean
85.00
Standards Verified
Deterministic & Accurate Output
Tested against official specifications for reliable, reproducible calculation results.
How to Use This Tool
- Enter your input values in the designated fields above.
- Click Calculate or type to see instant real-time results.
- Use the Copy button to copy the output directly to your clipboard.
Supported Formats, Boundaries & Privacy
Inputs & Boundaries: Inputs must be valid numerical values within IEEE 754 double-precision floating-point bounds.
Local Client-Side Processing: Tool computations and file operations execute 100% locally within your browser sandbox via JavaScript and HTML5 Web APIs. Your input values, uploaded files, and computed results are never transmitted to our web servers. General site access, analytics, and advertising cookies are managed transparently under our Privacy Policy and Cookie Policy.
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