Dodecahedron Calculator
Calculate the volume and surface area of a regular dodecahedron from its edge length.
- Surface area
- 516.1432
Formula: V = ((15 + 7√5) / 4) × a³
About Dodecahedron Calculator
Dodecahedron Calculator is a free online calculator that gives you an instant, accurate result as you type. Calculate the volume and surface area of a regular dodecahedron from its edge length.
The calculation uses the standard formula V = ((15 + 7√5) / 4) × a³ and updates live with every change to the inputs. Everything runs client-side in your browser — fast, private, and free to use as often as you like.
The regular dodecahedron has 12 pentagonal faces and is the shape of the classic d12 gaming die.
Frequently Asked Questions
Is Dodecahedron Calculator free to use?
Yes. Dodecahedron Calculator is completely free, with no sign-up, no downloads, and no usage limits. You can use it as many times as you like on any device with a web browser.
How accurate is this calculator?
The calculator applies the standard formula (V = ((15 + 7√5) / 4) × a³) with full floating-point precision and rounds only the displayed result. For most practical purposes the results are exact.
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