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Pie Chart Percentage Calculator — result sheet
Calculate a category's share, percentage, and pie-slice angle from a category count and total count.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: Share = category count/total count; percentage = share×100; pie angle = share×360°.
The calculator turns one part-of-whole count into the values needed for a pie slice. It checks that the category does not exceed the total but cannot decide whether categories overlap or whether a pie chart is the clearest display.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Category count — minimum 0; maximum 1000000000000
- Total count — minimum 1.0E-6; maximum 1000000000000
Worked example
| Input | Value |
|---|---|
| Category count | 24 |
| Total count | 80 |
Share is 0.3, percentage is 30%, and the pie-slice angle is 108°.
Assumptions and limits
- The category and total use the same counting unit and the category is no greater than the total.
- The categories represented by a complete pie are mutually exclusive and collectively exhaustive outside this single-slice calculation.
- A percentage describes the supplied counts; it does not establish causation, importance, or statistical uncertainty.
Calculator note
Source and methodology
Use the official WorldCalculate methodology policy for the source, formula, precision, and boundary standards behind this calculator.
Planning estimate, not financial, medical, legal, or professional advice. © WorldCalculate — reuse with attribution. Built and curated by Hassan ALRowaie.
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