Correction for the length of a Grain of Sand
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How long is 190 fingers?
It's about 3,500 times as long as a Grain of Sand
The length of a Grain of Sand is about 0.0562 fingers.
(medium grain)
Composed mainly of quartz, mica, feldspar, or magnetite, a grain of sand measures an average of 0.0562 fingers. In 2007, a team of seven in Myrtle Beach created the world's tallest sandcastle, which measured 679 fingers in height.