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Pie Chart Angle Calculator — result sheet
Convert a category count within a total into a percentage and the central angle for a pie-chart slice.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: Share=category/total; percentage=100×share; angle in degrees=360×share; radians=2π×share.
The slice angle is the category's share of the full circle, so the page keeps the count, percentage, degrees, and radians connected.
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 | 25 |
| Total count | 100 |
Share = 25%; pie angle = 90° = π/2 radians.
Assumptions and limits
- The category count is nonnegative and cannot exceed the total.
- The categories represented by the total are mutually exclusive for the chart.
- A pie chart can hide small differences; the calculation does not choose a visualization method.
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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