Diameter of a regulation pool ball

Diameter of a regulation pool ball (57.1 mm)

/fact/diameter-of-a-regulation-pool-ball

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Diameter of a regulation pool ball (57.1 mm)

is 1/5000 of Length of the Starship `Enterprise` in the Original Star Trek series (289.7 m)...more
is 1/4000 of Length of the Pont Neuf bridge over the Seine (232 m)...more
is 1/2000 of Height of the tallest Coast Redwood tree (California, USA) (115.6 m)...more
is 1/1000 of Height of Niagara Falls (57 m)...more
is 1/1000 of Height of the Leaning Tower of Pisa (56.7 m)...more
is 1/400 of Height of an All-Terrain Armored Transport (AT-AT) in Star Wars movies (22.5 m)...more
is 1/200 of Length of a London bus (11.23 m)...more
is 1/100 of Height of the Lincoln statue in the Lincoln Memorial in Washington, DC (5.8 m)...more
is 1/50 of Length overall of a `RS:X` windsurfing board (2.86 m)...more

If this was a standard unit ...