Average male hand span2.3 tenths m
12.8Dime diameters
94.2 billionCompton wavelengths
1.3 tenthsHuman arm spans
Photo from Wikimedia Commons
Human Hand Span
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.
Measurements
Average female hand span2 tenths m
2.36Credit card lengths
2.4 tenthsCricket bats
8,120Pollen grain widths
Hand length (wrist to middle finger)1.9 tenths m
2.9 tenthsClarinet lengths
2,520Human hair widths
Hand breadth (across knuckles)8.5 hundredths m
1 tenthsCricket bats
157 millionthsOne World Trade Centers
Middle finger length8 hundredths m
2.4 hundredthsAfrican elephant heights
4.9 thousandthsTractor trailer lengths
12 billionthsNile Rivers