barye
Pressureexact by definition
The barye is the CGS unit of pressure, one dyne per square centimetre, which is exactly 0.1 pascals and exactly one microbar. It is the pressure unit that goes with the erg and the poise, and it appears throughout classical fluid dynamics and astrophysics literature.
Watch out: Astrophysical papers often say "dyn/cm²" rather than "barye", and stellar interior pressures printed in that form are easy to misread as something SI. A solar core pressure of 2.5 × 10¹⁷ dyn/cm² is 2.5 × 10¹⁶ Pa.
| 1 | 0.0001 |
Where the unit came from
Named from the Greek barys, heavy, the same root that gives the bar and the barometer.
One barye in every pressure unit
| 1 | microbar (μbar) | |
| 1 | barye (Ba)this unit | |
| 0.750062 | millitorr (mTorr) | |
| 0.1 | pascal (Pa) | |
| 0.0101972 | millimeter of water column (mmH₂O) | |
| 0.00208854 | pound per square foot (lb/ft²) | |
| 0.00101972 | centimeter of water column (cmH₂O) | |
| 0.001 | hectopascal (hPa) | |
| 0.001 | millibar (mbar) | |
| 0.000750062 | torr (Torr) | |
| 0.000750062 | millimeter of mercury (mmHg) | |
| 0.000401463 | inch of water column (in w.g.) | |
| 0.0001 | kilopascal (kPa) | |
| 0.0000334553 | foot of water column (ft H₂O) | |
| 0.00002953 | inch of mercury (inHg) | |
| 0.0000145038 | pound per square inch (psi) | |
| 0.0000101972 | meter of water column (m H₂O) | |
| 0.00001 | decibar (dbar) | |
| 0.00000101972 | kilogram-force per square centimeter (kgf/cm²) | |
| 0.000001 | bar (bar) | |
| 9.86923e-07 | atmosphere (atm) | |
| 1.00000e-07 | megapascal (MPa) | |
| 1.45038e-08 | kip per square inch (ksi) | |
| 1.00000e-10 | gigapascal (GPa) | |
| 1.45038e-11 | million pounds per square inch (Mpsi) |
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