geometry calculator

Regular Tetrahedron Circumradius Calculator

This page is tuned for clean geometry checks during drafting or homework around regular tetrahedron circumradius.

Important Use Notice

Informational calculator only. Verify important outputs independently before legal, tax, medical, engineering, safety-critical, contractual, employment, or compliance use.

Estimate

Enter job values, review the estimate, then use the decision hints before ordering or quoting.

Estimate Results

Enter values to see the result.

Formula

circumradius = edge x sqrt(6) / 4

The circumradius reaches from the tetrahedron center to any vertex.

Example

Edge Length 6 gives Circumradius 3. 6742.

Check

Mixing units across the inputs before reading the result.
Entering a value outside the formula conditions and treating the result as valid.

Next Step

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This tool works well for focused work where you only want one formula and one answer path around regular tetrahedron height.

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Next: regular tetrahedron surface area.