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Unit Of Pressure table
table started by
Freebase Staff for the Measurement Unit Commons
A Unit Of Pressure is a measure of force distributed over area. All units should have their equivalent given in the SI base unit, pascals.
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| x name | x image | x Pressure in pascals (Pa) | x Measurement System | x article |
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| x Pascal | 1 Pa | International System of Units |
The pascal (symbol: Pa) is the SI derived unit of pressure, stress, Young's modulus and tensile strength. It is a measure of force per unit area, equivalent to one newton per square metre or one joule per cubic metre. In everyday life, the pascal is...
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| x Bar | 100,000 Pa |
The bar (symbol bar), decibar (symbol dbar), centibar (symbol cbar), and millibar (symbol mbar or mb) are units of pressure. They are not SI units, nor are they cgs units, but they are accepted for use with the SI by NIST. The bar is widely used in...
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| x Atmosphere | 101,325 Pa |
The standard atmosphere is an international reference pressure defined as 101,325 Pa and formerly used as unit of pressure (symbol: atm). For practical purposes it has been replaced by the bar which is 100,000 Pa. The difference of about 1% is not...
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| x Torr |
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133.32237 Pa |
The torr (symbol: Torr) is a non-SI unit of pressure defined as ⁄760 of a standard atmosphere, chosen to be roughly equal to the fluid pressure exerted by a millimeter of mercury. Note that the symbol is spelled exactly the same as the unit, but the...
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| x Pound-force per square inch |
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6,894.75729 Pa | US customary units |
The pound per square inch or, more accurately, pound-force per square inch (symbol: psi or lbf/in² or lbf/in²) is a unit of pressure or of stress based on avoirdupois units. It is the pressure resulting from a force of one pound-force applied to an...
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| x Decibars | 10,000 Pa |
A Decibar (dbar) is a measure of pressure equal to 0.1 bar or 10,000 pascals (Pa), the last being the SI unit. In water, a measurement in decibars is approximately equal to the depth in meter. To be more precise, a pressure of 1 decibar occurs at a...
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| x Megapascal | 1,000,000 Pa | International System of Units | ||
| x Millibar | 1,000,000 Pa | International System of Units | ||
| x Gigapascal | 1,000,000,000 Pa | International System of Units | ||
| x KiloNewton per metre squared | 1,000 Pa | |||
| x Copper units of pressure |
Copper units of pressure or CUP, and the related lead units of pressure or LUP, are terms applied to pressure measurements used in the field of internal ballistics for the estimation of chamber pressures in firearms. These terms were adopted by...
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| x Centimetre of water |
A centimetre of water (US spelling centimeter of water, abbreviated cmH2O) is a less commonly used unit of pressure. It is used to measure the central venous pressure, the intracranial pressure while sampling cerebrospinal fluid, as well as...
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| x Barye |
The barye (symbol: Ba), or sometimes barad, barrie, bary, baryd, baryed, or barie, was a centimetre-gram-second (CGS) unit of pressure used in France. It is equal to 1 dyne per square centimetre.
1 Ba = 0.1 Pa = 0.1 N/m
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| x Pièze |
The pieze is the unit of pressure in the metre-tonne-second system of units (mts system), used, e.g., in the former Soviet Union 1933-1955. It is defined as one sthene per square metre. The symbol is pz.
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| x Technical atmosphere |
A technical atmosphere (symbol: at) is a non-SI unit of pressure equal to one kilogram-force per square centimeter.
The symbol "at" clashes with that of the katal (symbol: "kat"), the SI unit of catalytic activity; a kilotechnical atmosphere would...
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| x Inch of mercury |
Inches of mercury, inHg, or "Hg is a unit of measurement for pressure. It is still widely used for barometric pressure in weather reports and aviation in the United States, but is considered somewhat outdated elsewhere.
It is defined as the pressure...
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| x Inch of water |
Inches of water, "wc, inch water colum (inch WC), inAq, "Aq, or inH2O is a non-SI unit for pressure. It is used for measuring small pressure differences across an orifice, or in a pipeline or shaft.
It is defined as the pressure exerted by a column...
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| x Kilogram-force per square centimetre |
A kilogram-force per square centimeter (kgf/cm), often just kilogram per square centimeter (kg/cm), or kilopond per square centimeter is a unit of pressure using metric units. Its use is now deprecated; it is not a part of the International System...
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