The Diameter of Hypersphere is twice the distance from the center to any point on the Hypersphere which is the 4D extension of sphere in 3D and circle in 2D. And is denoted by D. Diameter of Hypersphere is usually measured using the Meter for Length. Note that the value of Diameter of Hypersphere is always positive. Typically, the value of Diameter of Hypersphere is greater than 0.