Span (unit of length)

1: Hand = 4 inches = 10.16 cm
2: Span = 9 inches = 22.86 cm
3: Palm = 3 inches = 7.62 cm

Span is the width of a human hand, from the tip of the thumb to the tip of the pinky finger. 
 1 span = 9 inches
= 0.2286 m

In Slavic language, the analogue of span is pyad (peti, пядь). It is the width from the tip of the thumb to the tip of the forefinger. 
 1 pyad = 4 vershok
= 7 inches
= 0.1778 m

Category:Units of length