Convert piad (Russian) to span
Selected category: length.
Definition and details for piad (Russian):
Piad is a Russian traditional unit of length equal to 1/4 arshin or 17.78 cm.
Definition and details for span:
Span is a traditional unit of length equal to 9 inches or 22.86 mm. A span was defined as the length of the span of a man's hand with fingers stretched out as far as possible. The name comes from the old English word "spann".