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Standard Dome Calculator

This geodesic dome calculator is to be used with the Standard 1/2" geodesic dome hubs ONLY.  If you are building a dome using Megahub connectors, go to the Megahub Calculator page.

All the lengths of pipe for the triangles that make up a geodesic dome are not the same. There are trigonometric equations used to calculate the different lengths, but to make it easy, we've incorporated all that into the simple calculator on this page. First choose the complexity of the dome you want to build. If you don't know what 'frequency' means, or the difference between a '3V' and a '6V', go to the FAQ's page and that will explain it. Then input the radius or the diameter of the dome you want to build (using the drop down menu) into the open square, and hit the blue 'calculate' button next to it. Below it, you'll see mathematical calculations for all the strut lengths for any frequency 2, 3, 4, 5, or 6 geodesic dome you want to build.  Other useful information such as internal height, circumference, and floor area are also computed.

* Please note that in the calculations of the lengths of the PVC struts, 2.28 inches has ALREADY been deducted to account for the width of our standard geodesic dome connectors.

     

    Did you know that Sonostar offers Basic Kits (hubs only) for all configurations, as well as Full Kits (hubs and struts) for any size dome you’d like to build?

    Check out our various Geodesic Dome solutions.

     

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