Octahedron Volume Table: Volume by Edge length
Reference table of volume for Octahedron Volume across a range of edge length values — exact, engine-computed figures you can read off at a glance.
Octahedron Volume Calculator
Verified formula Updated Jun 2026 Private — runs on your device
Verified formula
Private
Volume
101.8234
- Surface area
- 124.7077
For general information only — not financial, tax, legal or medical advice. Verify before you rely on it.
How to use the Octahedron Volume Calculator
The Octahedron Volume Calculator works out your volume, along with 1 related figure in an instant. Enter edge length and the result updates as you type — it is free, needs no sign-up, and runs entirely in your browser so your figures stay private.
- Enter the edge length.
- Read off your volume, together with surface area — the calculator updates automatically, with no button to press.
Formula
The Octahedron Volume Calculator uses the formula:
Volume = √(2) ÷ 3 × Edge length ^ 3
Worked example
For example, with edge length of 6 units, the volume is 101.8234.
| Edge length | 6 units |
|---|
| Volume | 101.8234 |
|---|---|
| Surface area | 124.7077 |
Results are estimates for educational use, not professional advice.
Key terms explained
- Surface area
- The total area of all the outer faces of a three-dimensional object.
- Volume
- The amount of three-dimensional space an object occupies, measured in cubic units.
- Area
- The amount of two-dimensional space a shape covers, measured in square units.
Frequently asked questions
For a regular octahedron, V = √2 ⁄ 3 × edge³. An edge of 6 gives a volume of about 101.82 cubic units.
It is a Platonic solid with eight identical equilateral triangle faces, like two square pyramids joined at their bases.
Surface area is 2√3 × edge², the total of its eight equilateral triangle faces.
Some crystals, such as diamond and fluorite, form octahedral shapes, and dice with eight faces are octahedrons.
The Octahedron Volume Calculator uses the formula: Volume = √(2) ÷ 3 × Edge length ^ 3. For example, with edge length of 6 units, the volume is 101.8234.
Enter the edge length. Read off your volume, together with surface area — the calculator updates automatically, with no button to press.
Related guides
How to Calculate Octahedron Volume: Formula, Steps & Examples
Learn how to calculate Octahedron Volume — the formula explained step by step, with worked examples and a free calculator to check your answer.