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The square is an Imperial unit of area that is used in the construction industry in the United States and Canada, [1] and was historically used in Australia. One square is equal to 100 square feet. Examples where the unit is used are roofing shingles, metal roofing, vinyl siding, and fibercement siding products.
The outhouse is a unit of area used in nuclear physics equal to 10 −6 barns (100 am 2 = 10 −34 m 2). The barn (b) is a unit of area used in nuclear physics equal to one hundred femtometres squared (100 fm 2 = 10 −28 m 2). The are (a) is a unit of area equal to 100 m 2. The decare (daa) is a unit of area equal to 1000 m 2.
The zettametre (SI symbol: Zm) is a unit of length in the metric system equal to 10 21 meters. [56] To help compare different orders of magnitude, this section lists distances starting at 1 Zm (10 21 m or 110,000 light-years). 1.7 Zm – 179,000 light-years – distance to the Large Magellanic Cloud, largest satellite galaxy of the Milky Way
The square mile (abbreviated as sq mi and sometimes as mi 2) [1] is an imperial and US unit of measure for area. One square mile is equal to the area of a square with each side measuring a length of one mile .
4,046.8564224 square metres (or a square with approximately 63.61 m sides) 1 United States survey acre is equal to: 0.404687261 hectare; 4,046.87261 square metres (1 square kilometre is equal to 247.105 acres) 1 acre (both variants) is equal to the following customary units: 66 feet × 660 feet (43,560 square feet) 10 square chains (1 chain ...
While not an SI-unit, the litre may be used with SI units. It is equivalent to (10 cm) 3 = (1 dm) 3 = 10 −3 m 3. Many non-SI units continue to be used in the scientific, technical, and commercial literature. Some units are deeply embedded in history and culture, and their use has not been entirely replaced by their SI alternatives.
Comparison of 1 square metre with some Imperial and metric units of area. The square metre (international spelling as used by the International Bureau of Weights and Measures) or square meter (American spelling) is the unit of area in the International System of Units (SI) with symbol m 2. [1]
A square mil is a unit of area, equal to the area of a square with sides of length ... (1 square inch is equal to 1 million square mils) 6.4516 × 10 −10 square metres;