UK Nautical miles to Piad conversion
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UK Nautical miles conversionNautical mile (UK)
Piad, quarter, is a unit of length used in old Russian system.Originally piad (or little piad) was equal to the distance between ends of the spread thumb and index finger. Piad is defined as 7 inches.
1 piad = 7 inch = 1/4 arshin = 17.78 cm