Keep this page handy for situations where a hand calculation would be slow or easy to miscopy around regular dodecahedron volume.
Informational calculator only. Verify important outputs independently before legal, tax, medical, engineering, safety-critical, contractual, employment, or compliance use.
Enter job values, review the estimate, then use the decision hints before ordering or quoting.
volume = ((15 + 7sqrt(5)) / 4) x edge^3The regular dodecahedron has a fixed closed-form volume once the edge length is known.