» Volume of a Regular Tetrahedron


Calculate regular tetrahedron volume from edge length. Convert cubic units and reverse the formula to find a missing edge.

Use this regular tetrahedron volume calculator to quickly calculate the volume of a regular tetrahedron from the edge length. It is useful for geometry, schoolwork, models, and conversions between cubic units.

You can convert units instantly and, if needed, also use reverse calculation to find the missing edge length from a known volume.


Volume of a regular tetrahedron formulas

$$V= \frac{\sqrt{2}}{12} a^{3}$$





Volume of a Regular Tetrahedron FAQ

What is the formula for the volume of a regular tetrahedron?
The formula is V = sqrt(2) a^3 / 12, where a is the edge length of the regular tetrahedron.

What makes a tetrahedron regular?
A regular tetrahedron has four congruent triangular faces and all six edges have the same length.

Can I convert tetrahedron volume into other units?
Yes. The calculator can display the result in different cubic units, which is useful for both metric and imperial conversions.

Can I solve for the edge length from a known volume?
Yes. Reverse calculation can determine the missing edge length when the volume of the regular tetrahedron is known.

When is a tetrahedron volume calculator useful?
It is useful for geometry classes, mathematical models, 3D design, and any equal-edge tetrahedral shape that needs a quick volume estimate.


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