Full name: square rod
Category type: area
Scale factor: 25.292953917
The SI derived unit for area is the square meter.
1 square meter is equal to 0.0395367027229 square rod.
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A square rod is defined as the area of a square with sides one rod in length.
The definition of a rod is as follows:
A rod is a unit of length, equal to 11 cubits, 5.0292 metres or 16.5 feet. A rod is the same length as a perch and a pole. The lengths of the perch (one rod) and chain (four rods) were standardized in 1607 by Edmund Gunter.
The length is equal to the standardized length of the ox goad used by medieval English ploughmen; fields were measured in acres which were one chain (four rods) by one furlong (in the United Kingdom, ten chains).