Length of a standard index card

Length of a standard index card (127 mm)

/fact/length-of-a-standard-index-card

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Length of a standard index card (127 mm)

is 1/10000 of Height of the vertical drop of cliff on Mount Thor, Canada (1.25 km)...more
is 1/2000 of Length of the longest ski jump ever (2015) (251.5 m)...more
is 1/500 of Wingspan of a Boeing 747 airliner (64.4 m)...more
is 1/400 of Typical flight of a flying fish (50 m)...more
is 1/400 of Length of an Olympic swimming pool (50 m)...more
is 1/200 of Length of the Blue Whale skeleton in London's Natural History Museum (25.2 m)...more
is 1/100 of Length of a T-65 X-Wing starfighter in the Star Wars movies (12.5 m)...more
is 1/40 of Women's World Pole Vault record (5.06 m)...more
is 1/40 of Women's Olympic Pole Vault record (2008) (5.05 m)...more
is 1/40 of Typical height of a giraffe (5 m)...more

If this was a standard unit ...