Correction for the length of a Grain of Sand
Thanks for your input! Let us know more about what's wrong in the form below.
How long is 0.019685 spans?
It's about three-and-a-half times as long as a Grain of Sand
The length of a Grain of Sand is about 0.00547 spans.
(medium grain)
Composed mainly of quartz, mica, feldspar, or magnetite, a grain of sand measures an average of 0.00547 spans. In 2007, a team of seven in Myrtle Beach created the world's tallest sandcastle, which measured 66.10 spans in height.