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One acre equals 1 ⁄ 640 (0.0015625) square mile, 4,840 square yards, 43,560 square feet, [2] or about 4,047 square metres (0.4047 hectares) (see below).While all modern variants of the acre contain 4,840 square yards, there are alternative definitions of a yard, so the exact size of an acre depends upon the particular yard on which it is based.
In Arkansas and Missouri, the official conversion is 1 arpent = 0.8507 acres (3,443 square metres). [3] In Paris, the square arpent was 220 French feet × 220 French feet = 48,400 French square feet, about 5,107 square metres or 1.262 acres. In Mauritius and Seychelles, an arpent is about 4220.87 square metres, 0.4221 hectares, 1.043 acres. [4]
The rod, perch, or pole (sometimes also lug) is a surveyor's tool [1] and unit of length of various historical definitions. In British imperial and US customary units, it is defined as 16 + 1 ⁄ 2 feet, equal to exactly 1 ⁄ 320 of a mile, or 5 + 1 ⁄ 2 yards (a quarter of a surveyor's chain), and is exactly 5.0292 meters.
Conversions between units in the metric system are defined by their prefixes (for example, 1 kilogram = 1000 grams, 1 milligram = 0.001 grams) and are thus not listed in this article. Exceptions are made if the unit is commonly known by another name (for example, 1 micron = 10 −6 metre).
In Guatemala, a cuerda is a traditional unit of distance, equal to exactly 25 varas [1] or almost 21 meters (nearly 69 feet). During 19th-century Spain, a cuerda was a unit of length, of nearly 6.889 m (approx. 7.554 yd). [2] However, in Valencia, Spain, the cuerda measured 40 varas, over 5.4 times longer, as nearly 37.21 m (approx. 40.7 yd). [2]
The rood was an important measure in surveying on account of its easy conversion to acres. ... unit of linear measure between 16 + 1 ⁄ 2 and 24 feet (5.0–7.3 m).
~5107 m 2 ~6108 sq yd, or ~1.262 acres The French acre is a square 10 perches (one arpent) on each side. (Does not exactly correspond to the English acre, which is defined as 43 560 square feet.) North America: perche du roi carrée: 324 ~34.19 m 2 ~40.89 sq yd This square perch was used in Quebec and Louisiana.
Historical Russian units of measurement were standardized and used in the Russian Empire and after the ... = 10,925.4 m 2 = 117,600 sq ft = 2.7 acres = 2,400 square ...