Average male hand span2.3 tenths m
12.8Dime diameters
94.2 billionCompton wavelengths
1.3 tenthsHuman arm spans
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The reach from thumb tip to little finger tip/The Human Body
The hand span is measured from the tip of the thumb to the tip of the little finger with the hand fully spread. It has historically been used as an informal unit of measurement. The average adult hand span varies significantly between individuals.