Basketball hoop vs Server rack: size comparison
Basketball hoop: 3.05 m. Server rack: 1.87 m. Both silhouettes are drawn at the same scale.
Size ratio: ×1.6
Basketball hoop
3.05 m
What is measured Height of a basketball ring above the floor
The 3.05 m comes from the 10-foot rail in James Naismith's first gym, in 1891.
Source : Wikipedia — Basketball court
Server rack
1.87 m
What is measured Usable height of a 42U server rack
One "U" is exactly 44.45 mm, or 1.75 inches.
Source : Wikipedia — 19-inch rack