Units of measurement
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Rood (rood)
Acre (ac)
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Rood (rood)
A rood is an old British unit of area measurement, equal to 1/4 acre (1011.71 m²).
Acre (ac)
An acre (ac) is a traditional land measurement unit in the US and UK, equal to 4046.86 m² (approximately 0.4 ha).