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How to use Pressure Units Converter
Enter the value to convert from into the input box on the top.
Select the unit to convert from in the left units list. Select the unit to convert to in the right units list.
Click 'Convert' button then the conversion result will immediately appear in the output box.
Popular Units
| Unit | Symbol | Definition | Conversion to SI units |
| atmosphere (standard) |
atm |
|
= 101 325 Pa |
| atmosphere (technical) |
at |
= 1 kgf/cm2 |
= 9.806 65 x 104 Pa |
| bar |
bar |
|
= 105 Pa |
| barye (cgs unit) |
|
= 1 dyn/cm2 |
= 0.1 Pa |
| centimetre of mercury |
cmHg |
= 13 595.1 kg/m3 x 1 cm x g |
~ 1.333 22 x 103 Pa |
| centimetre of water (4 °C) |
cmH2O |
~ 999.972 kg/m3 x 1 cm x g |
~ 98.0638 Pa |
| foot of mercury (conventional) |
ftHg |
= 13 595.1 kg/m3 x 1 ft x g |
~ 40.636 66 x 103 Pa |
| foot of water (39.2 °F) |
ftH2O |
~ 999.972 kg/m3 x 1 ft x g |
~ 2.988 98 x 103 Pa |
| inch of mercury (conventional) |
inHg |
= 13 595.1 kg/m3 x 1 in x g |
~ 3.386 389 x 103 Pa |
| inch of water (39.2 °F) |
inH2O |
~ 999.972 kg/m3 x 1 in x g |
~ 249.082 Pa |
| kilogram-force per square millimetre |
kgf/mm2 |
= 1 kgf/mm2 |
= 9.806 65 x 106 Pa |
| kip per square inch |
ksi |
= 1 kipf/sq in |
~ 6.894 757 x 106 Pa |
| micron (micrometre) of mercury |
µmHg |
= 13 595.1 kg/m3 x 1 µm x g ~ 0.001 torr |
~ 0.133 3224 Pa |
| millimetre of mercury |
mmHg |
= 13 595.1 kg/m3 x 1 mm x g ~ 1 torr |
~ 133.3224 Pa |
| millimetre of water (3.98 °C) |
mmH2O |
~ 999.972 kg/m3 x 1 mm x g = 0.999 972 kgf/m2 |
= 9.806 38 Pa |
| pascal (SI unit) |
Pa |
= N/m2 = kg/(m·s2) |
= 1 Pa |
| pièze (mts unit) |
pz |
= 1 000 kg/m·s2 |
= 1 x 103 Pa = 1 kPa |
| pound per square foot |
psf |
= 1 lbf/ft2 |
~ 47.880 25 Pa |
| pound per square inch |
psi |
= 1 lbf/in2 |
~ 6.894 757 x 103 Pa |
| poundal per square foot |
pdl/sq ft |
= 1 pdl/sq ft |
~ 1.488 164 Pa |
| short ton per square foot |
|
= 1 sh tn x g / 1 sq ft |
~ 95.760 518 x 103 Pa |
| torr |
torr |
= 101 325/760 Pa |
~ 133.3224 Pa |
source: wikipedia
Convert From and To Units
• atmosphere (Atm)
• attobar
• attopascal
• bar (b)
• barad
• barye
• centibar
• centiHg
• centimeter of mercury(0 °C) (CmHg)
• centimeter of water(4 °C)
• centipascal
• centitorr
• decibar
• decipascal
• decitorr
• dekabar
• dekapascal
• dyne/cm2 (dyn/cm2)
• dyne/mm2 (dyn/mm2)
• dyne/square centimeter (dyn/cm2)
• dyne/square milimeter (dyn/mm2)
• exabar
• exapascal
• femtobar
• femtopascal
• foot of Air(0 °C)
• foot of Air(15 °C)
• foot of head
• foot of Mercury(0 °C)
• foot of Water(4 °C)
• gigabar
• gigapascal
• gram-force/square centimeter
• gram-force/square milimeter
• gram-force/square meter
• hectobar
• kgf/cm2
• kgf/m2
• kgf/mm2
• kilobar
|
• kilogram-force/cm2 (kgf/cm2)
• kilogram-force/m2 (kgf/m2)
• kilogram-force/square meter (kgf/m2)
• kilogram-force/square milimeter (kgf/mm2)
• kilogram-force/square centimeter (kgf/cm2)
• kilonewton/square meter (kN/m2)
• kilonewton/square centimeter (kN/cm2)
• kiloPascal (kPa)
• kilopond/square meter
• kilopond/square centimeter
• kilopond/square millimeter
• kilopound-force/square Inch (ksi)
• kip/square foot
• kip/square inch (ksi)
• ksi
• megabar
• meganewton/square meter
• megapascal (MPa)
• millimeter of mercury (mmHg)
• meter of air(0 °C)
• meter of air(15 °C)
• meter of head
• microbar (µb
• micrometer of mercury(0 °C)
• micrometer of water(4 °C)
• micron of mercury(0 °C)
• micropascal (µPa)
• millibar (mb
• milligram-force/square meter
• milligram-force/square millimeter
• milligram-force/square centimeter
• milliHg
• millimeter of Mercury (mmHg) (0 °C)
• millimeter of Water(4 °C)
• millipascal
• millitorr
• mmHg (millimeter of mercury) (0 °C)
• nanobar
• nanopascal
• newton/square meter
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• newton/square millimeter
• ounce/square Inch
• pascal (Pa)
• petabar
• petapascal
• picobar (pb)
• picopascal (pPa)
• pieze
• pound/square foot (psf)
• pound/square inch (psi)
• poundal/square foot (pdl/ft2)
• poundal/sqaure inch (pdl/in2)
• psf
• psi
• sthene/square meter
• technical atmosphere (atm)
• terabar
• terapascal
• ton-force/square meter
• ton/square foot (long)
• ton/square foot (short)
• ton/square inch (long)
• ton/square inch (short)
• ton/square meter
• torr (Torr
• water column (centimeter)
• water column (inch)
• water column (millimeter)
• yoctobar
• yoctopascal
• yottabar
• yottapascal
• zeptobar
• zeptopascal
• zettabar
• zettapascal
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International Unit Conversion Calculator - Metric Measurement Conversion - Convert Units - Unit Conversion.
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