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Sq m is an abbreviation for: Square mile , a unit of surface area in the systems of Imperial and U.S. units and more usually abbreviated to sq mile or sq mi Square metre , a unit of surface area in the metric system and more usually abbreviated to m 2
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 ]
Modern measurement equipment includes hand tools, CMMs (coordinate-measuring machines), machine vision systems, laser trackers, and optical comparators. A CMM is based on CNC technology to automate measurement of Cartesian coordinates using a touch probe, contact scanning probe, or non-contact sensor. Optical comparators are used when ...
List of orders of magnitude for areas 10 15 to 10 26 square metres. Factor (m 2) Multiple Value Item 10 15: 1 peta square meter P(m 2) 1,000 Mm 2: Surface area of the white dwarf, Van Maanen's star: 7,600 Mm 2: Surface area of Neptune [91] 10 16 43,000 Mm 2: Surface area of Saturn [92] 61 000 Mm 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 hectare (ha) is a unit of area equal to 10 000 m 2 (0.01 km 2).
The standard commercial measure of real estate area is in square feet (Chinese: 方呎, 平方呎; Cantonese Yale: fōng chek, pìhng fōng chek) of the Imperial system. Apartment or office size is generally still given in square feet. However, square metres are used for official purposes.
In Puerto Rico, a cuerda is a traditional unit of land area nearly equivalent to 3,930 square meters, or 4,700 square yards, 0.971 acre, or 0.393 hectare (ha). The precise conversion is 1 cuerda = 3,930.395625 m 2. The term "Spanish acre" instead has been used sometimes by mainlanders.
British media also frequently uses the football pitch for equivalent purposes, although soccer pitches are not of a fixed size, but instead can vary within defined limits (100–130 yd or 91.4–118.9 m long, and 50–100 yd or 45.7–91.4 m wide, giving an area of 5,000 to 13,000 sq yd or 4,181 to 10,870 m 2).