Calculate the physics of your sand structure for maximum stability and volume efficiency.
Base Radius
86.6 cm
Vol. Needed
392.7 L
Sand stability is determined by the "angle of repose." While dry sand naturally settles at ~30°, you can drastically improve your structure's verticality by introducing a 1:8 ratio of water to sand and compacting the layers firmly (the "pancake" method). This allows angles up to 70-80°!