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Use is made of the surveyors units of measurement that define a foot as 1200 / 3937 meters. One survey square foot is 144 / 39.37 ^ 2 meters. Within an accuracy of (at least) 4 digits the square surveyor units of measurement are the same as the international measurement units where a square foot is (12 * .0254) ^ 2 meters.
Other measures:
A square rod (square pole or
square perch) is 272.25 square feet.
A square chain is
a tenth of an acre
(4356 square feet).
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Written by: Frans B. Simon van Leeuwen. |