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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]
Converted to SI units, 1 darcy is equivalent to 9.869 233 × 10 −13 m 2 or 0.9869233 μm 2. [4] This conversion is usually approximated as 1 μm 2. This is the reciprocal of 1.013250—the conversion factor from atmospheres to bars. [1]
The SI unit for permeability is the square metre (m 2). A practical unit for permeability is the darcy (d), or more commonly the millidarcy (md) (1 d ≈ 10 −12 m 2). The name honors the French Engineer Henry Darcy who first described the flow of water through sand filters for potable water supply. Permeability values for most materials ...
M2 Group, an Australian seller of telecommunications services, power, gas, and insurance products; M-2 visa, a type of United States visa for the dependents of an individual with an M-1 visa; Leica M2, a 35 mm rangefinder camera introduced in 1957; Panasonic M2, a video game console design; m 2 or square metre, a unit of area
M 2 or m 2 may refer to: Square metre (m 2), an SI measure of area; M squared (M 2), a measure of laser beam quality; ... M2 (disambiguation) M (disambiguation)
M.2, pronounced m dot two [1] and formerly known as the Next Generation Form Factor (NGFF), is a specification for internally mounted computer expansion cards and associated connectors. M.2 replaces the Mini SATA ( mSATA ) standard and the Mini PCIe ( mPCIe ) standard (which is how it got the short name of M dot 2 from being Mini SATA 2).
A dunam (Ottoman Turkish, Arabic: دونم; Turkish: dönüm; Hebrew: דונם Yiddish: דונאם), also known as a donum or dunum and as the old, Turkish, or Ottoman stremma, was the Ottoman unit of area equivalent to the Greek stremma or English acre, representing the amount of land that could be ploughed by a team of oxen in a day.
The BMW M2 is a high-performance version of the BMW 2 Series automobile developed by BMW's motorsport division, BMW M GmbH.As the 2 Series replaced the 1 Series coupé and convertible models, the first-generation M2 was marketed as the most basic M model in the range.