Barye

barye
Unit systemCentimetre–gram–second system of units
Unit ofPressure
SymbolBa
Derivation1 Ba = 1 dyn/cm2
Conversions
1 Ba in ...... is equal to ...
   CGS base units   1 cm−1⋅g⋅s−2
   SI units   0.1 Pa
   English Engineering units   1.450377×10−5 psi

The barye (symbol: Ba), or sometimes barad, barrie, bary, baryd, baryed, or barie, is the centimetre–gram–second (CGS) unit of pressure. It is equal to 1 dyne per square centimetre or 1 microbar.[1][2] It has also historically been written as "bar", which conflicts with bar.[2][3]

1 Ba = 0.1 Pa = 10−6 bar = 10−4 pieze = 0.1 N/m2 = 1 g⋅cm−1⋅s−2

See also

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References

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  1. ^ "Barye". The Free Dictionary. Retrieved 24 September 2025.
  2. ^ a b Allen, William H. (1 January 1965). "Dictionary of Technical Terms for Aerospace Use". NASA Special Publication. bar. … Some writers have used bar as equivalent to barye (1 dyne per square centimeter). … barye. … Sometimes called bar or microbar. … microbar (abbr μb). … In British literature the term barye has been used. … Unfortunately, the bar was once used in acoustics to mean 1 dyne per square centimeter, but this is no longer correct.
  3. ^ Marvin, Charles F. (30 March 1918). "Nomenclature of the Unit of Absolute Pressure" (PDF). Monthly Weather Review. Washington: 73–75. Archived from the original (PDF) on 29 April 2017. T. W. Richards and A. E. Kennelly employed the term "bar" to signify a pressure of 1 dyne per square centimeter