Engineering tool
Pareto chart generator
Turn defect counts into a Pareto chart in seconds and identify the vital few.
Inputs
One category per line: name, count. The chart updates as you type.
Result
Enable JavaScript to use this calculator. The method and formulas are explained below.
How to use
Enter one category per line in the form name, count. The chart and table update as you type. Hover or tap bars for details.
Interpreting
Categories to the left of the 80% line are the vital few. Consider weighting by cost and stratifying by supplier or machine. See Pareto analysis.
Use of this toolThis calculator is an educational aid. It is not a substitute for the governing standard, the customer specification or engineering approval. Verify results before using them for acceptance decisions.