Regular Octahedron Calculator
Edge Length (a)
A regular octahedron is one of the five Platonic solids, with 8 equilateral triangular faces, 12 edges, and 6 vertices. It looks like two square pyramids joined at the base.
- 1Volume = (√2/3) × a³
- 2Surface area = 2√3 × a²
- 3Face diagonal = a√2
- 4Height = a√2
Edge a = 4=Volume ≈ 30.17, SA ≈ 55.42
Edge a = 6=Volume ≈ 101.82, SA ≈ 124.71
| Edge a | Volume | Surface Area |
|---|---|---|
| 1 | 0.47 | 3.46 |
| 2 | 3.77 | 13.86 |
| 4 | 30.17 | 55.42 |
| 6 | 101.82 | 124.71 |
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