About the regular tetrahedron calculator
The regular tetrahedron is the simplest Platonic solid: four equilateral triangles, six equal edges, four corners. A single edge length determines everything.
Formulas
| Volume | V = a³/(6√2) |
| Surface area | S = √3·a² |
| Height | h = a√(2/3) |
Frequently asked questions
What is the volume of a regular tetrahedron?
V = a³/(6√2) ≈ 0.11785·a³.