Search results
Results From The WOW.Com Content Network
Unit of: area: Symbol: ac, acre: Conversions ... As a unit of measure, an acre has no prescribed shape; any area of 43,560 square feet is an acre. US survey acres
unit code (alternative) QID symbol or abbrev. notes sample default conversion combinations SI: square kilometre: km2 Q712226: km 2: US spelling: square kilometer: 1.0 km 2 (0.39 sq mi) km2 sqmi; square hectometre: hm2 Q35852: hm 2: US spelling: square hectometer: 1.0 hm 2 (2.5 acres) square decametre: dam2 Q23931040: dam 2: US spelling: square ...
The acre-foot is a non-SI unit of volume equal to about 1,233 m 3 ... US survey foot and recommended conversion to either the ... units of measurement;
Image comparing the hectare (the small blue area at lower left) to other units. The entire yellow square is one square mile.. The hectare (/ ˈ h ɛ k t ɛər,-t ɑːr /; SI symbol: ha) is a non-SI metric unit of area equal to a square with 100-metre sides (1 hm 2), that is, 10,000 square metres (10,000 m 2), and is primarily used in the measurement of land.
Other uncommon metric units of area include the tetrad, the hectad, and the myriad. The acre is also commonly used to measure land areas, where 1 acre = 4,840 square yards = 43,560 square feet. An acre is approximately 40% of a hectare. On the atomic scale, area is measured in units of barns, such that: [13] 1 barn = 10 −28 square 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).
Irish measure or plantation measure was a system of units of land measurement used in Ireland from the 16th century plantations until the 19th century, with residual use into the 20th century. The units were based on " English measure " but used a linear perch measuring 7 yards (6.4 m) as opposed to the English rod of 5.5 yards (5.0 m).
The precise conversion is 1 cuerda = 3,930.395625 m 2. [2] The term "Spanish acre" instead has been used sometimes by mainlanders. [1] A cuerda and an acre have often been treated as equal because they are nearly the same size. According to Carlos Menocal Villagran, [3] in Guatemala, the term cuerda refers to a unit of area and can have various ...