Units of measurement
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Square inch (in²)
Rood (rood)
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Square inch (in²)
A square inch (in²) is a unit of area in the British and American measurement systems, equal to a square with a side of 1 inch (2.54 cm).
Rood (rood)
A rood is an old British unit of area measurement, equal to 1/4 acre (1011.71 m²).