Bluebulb Projects presents:
The Measure of Things Logo
Enter a measurement to see comparisons



625.250 microns is about half as long as a Grain of Sand.
In other words, the length of a Grain of Sand is 2 times that amount.
(medium grain)
Composed mainly of quartz, mica, feldspar, or magnetite, a grain of sand measures an average of 1,250 microns. In 2007, a team of seven in Myrtle Beach created the world's tallest sandcastle, which measured 15,100,000 microns in height.
There's more!
Click here to see how other things compare to 625.250 microns...