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Regular Polygon Calculator
Calculate a convex regular polygon from its side count and length with exact and approximate fields separated.
Explicit text fields
regular-polygon.json
Browser only
Runs locally in your browser. Your files, pasted content and generated output are not uploaded. Reset clears this tool’s working data.
This tool needs JavaScript. If it does not load, refresh the page and try again.
How to use this tool
- Enter the admitted input and explicit options described below.
- Select Calculate regular polygon and inspect the stated conventions.
- Download the complete result and any companion report.
Examples
A regular hexagon of side 1 has exact perimeter 6 and interior angle 120 degrees.
Limitations
- ASCII side count 3–1000 with at most four raw units. Side length uses the existing selected-decimal bounds and positive magnitude 1e-12–1e12; 4096 intermediate digits, 64 KiB report and 30 seconds.
- Transcendental measurements are finite 12-significant-digit binary 64 evaluations with formula labels, without exact radical or certified-error claims. No arbitrary or star polygons, coordinate canvas or unit inference.
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