Regular Tetrahedron Surface Area Calculator

Calculate the surface area of a regular tetrahedron quickly and easily. Enter the edge length to get started.

Formula

$$Surface\ Area = \sqrt{3} \times a^2$$

Where a is the edge length of the tetrahedron.

Enter Edge Length (a):

unit

Result

Surface Area:

unit²

Formula with values:

$$ $$

3D Visualization

Visualization of a regular tetrahedron. Point D is behind the face ABC.

Understanding Regular Tetrahedrons

A regular tetrahedron is a polyhedron composed of four equilateral triangular faces, six straight edges, and four vertex corners. It is one of the five Platonic solids. All faces are identical equilateral triangles. The surface area of a regular tetrahedron can be calculated using the formula: $$Surface\ Area = \sqrt3 \times a^2$$, where 'a' is the length of an edge. This calculator helps you quickly find the surface area by simply inputting the edge length. Regular tetrahedrons are found in various fields, from geometry and crystallography to chemistry and architecture, for their unique symmetrical properties.