Diameter of a US 1c coin

Diameter of a US 1c coin (19 mm)

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Diameter of a US 1c coin (19 mm)

is 1/5000 of Height of the Elizabeth Tower (home to Big Ben) in London (96 m)...more
is 1/400 of Women's World Long Jump Record (1988) (7.52 m)...more
is 1/250 of Length overall of a `470` racing dinghy (4.7 m)...more
is 1/100 of Length of a standard bed (1.9 m)...more
is 1/50 of Maximum length of a cricket bat (965 mm)...more
is 1/10 of Length of a pencil (190 mm)...more
is 2/5 of Length of a standard matchbox (47 mm)...more

If this was a standard unit ...