Pressure units converter
Pressure units converter. Easy conversion of pascals, atmosfpheres, bars and other pressure related units.

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Symbolic algebra

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Inputs data - value and unit, which we're going to convert#

Value
Unit
Decimals

11 (pascal) is equal to:#

SI#

UnitSymbolSymbol
(plain text)
Value as symbolicValue as numericNotesUnit conversion formula
yottapascalShow sourceYPaYPaYPaShow source...\text{...}-Derived pressure unit in SI system. One yottapascal is equal to septylion of pascals: 1 YPa=1024 Pa1\ YPa= 10^{24}\ PaShow source......
zettapascalShow sourceZPaZPaZPaShow source...\text{...}-Derived pressure unit in SI system. One zettapascal is equal to sextillion of pascals: 1 ZPa=1021 Pa1\ ZPa= 10^{21}\ PaShow source......
exapascalShow sourceEPaEPaEPaShow source...\text{...}-Derived pressure unit in SI system. One exapascal is equal to quintillion of pascals: 1 EPa=1018 Pa1\ EPa= 10^{18}\ PaShow source......
petapascalShow sourcePPaPPaPPaShow source...\text{...}-Derived pressure unit in SI system. One petapascal is equal to quadrillion of pascals: 1 PPa=1015 Pa1\ PPa= 10^{15}\ PaShow source......
terapascalShow sourceTPaTPaTPaShow source...\text{...}-Derived pressure unit in SI system. One terapascal is equal to trillion of pascals: 1 TPa=1012 Pa1\ TPa= 10^{12}\ PaShow source......
gigapascalShow sourceGPaGPaGPaShow source...\text{...}-Derived pressure unit in SI system. One gigapascal is equal to billion of pascals: 1 GPa=109 Pa1\ GPa= 10^{9}\ PaShow source......
megapascalShow sourceMPaMPaMPaShow source...\text{...}-Derived pressure unit in SI system. One megapascal is equal to million of pascals: 1 MPa=1000000 Pa=106 Pa1\ MPa=1000000\ Pa= 10^{6}\ PaShow source......
kilopascalShow sourcekPakPakPaShow source...\text{...}-Derived pressure unit in SI system. One kilopascal is equal to thausand of pascals: 1 kPa=1000 Pa=103 Pa1\ kPa=1000\ Pa= 10^{3}\ PaShow source......
hektopascalShow sourcehPahPahPaShow source...\text{...}-Derived pressure unit in SI system. One hektopascal is equal to hundred of pascals: 1 hPa=100 Pa=102 Pa1\ hPa=100\ Pa= 10^{2}\ PaShow source......
pascalShow sourcePaPaPaShow source...\text{...}-The basic pressure unit in the SI system. One pascal is the pressure created by acting force of one newton (1 N) to perpendicular one square meter surface (1 m2).1 Pa=1 Nm21\ Pa = 1\ \frac{N}{m^2}Show source......
decipascalShow sourcedPadPadPaShow source...\text{...}-Derived pressure unit in SI system. One decipascal is equal to one tenth of pascal: 1 dPa=0.1 Pa=101 Pa1\ dPa=0.1\ Pa= 10^{-1}\ PaShow source......
centipascalShow sourcecPacPacPaShow source...\text{...}-Derived pressure unit in SI system. One centipascal is equal to one hundredth of pascal: 1 cPa=0.01 Pa=102 Pa1\ cPa=0.01\ Pa= 10^{-2}\ PaShow source......
milipascalShow sourcemPamPamPaShow source...\text{...}-Derived pressure unit in SI system. One milipascal is equal to one thousandth of pascal: 1 mPa=0.001 Pa=103 Pa1\ mPa=0.001\ Pa= 10^{-3}\ PaShow source......
micropascalShow sourceμPa\mu PaµPaShow source...\text{...}-Derived pressure unit in SI system. One micropascal is equal to one millionth of pascal: 1 μPa=0.000001 Pa=106 Pa1\ \mu Pa=0.000001\ Pa= 10^{-6}\ PaShow source......
nanopascalShow sourcenPanPanPaShow source...\text{...}-Derived pressure unit in SI system. One nanopascal is equal to one billionth of pascal: 1 nPa=109 Pa1\ nPa= 10^{-9}\ PaShow source......
pikopascalShow sourcepPapPapPaShow source...\text{...}-Derived pressure unit in SI system. One pikopascal is equal to one trillionth of pascal: 1 pPa=1012 Pa1\ pPa= 10^{-12}\ PaShow source......
femtopascalShow sourcefPafPafPaShow source...\text{...}-Derived pressure unit in SI system. One femtopascal is equal to one quadrillionth of pascal: 1 fPa=1015 Pa1\ fPa= 10^{-15}\ PaShow source......
attopascalShow sourceaPaaPaaPaShow source...\text{...}-Derived pressure unit in SI system. One attopascal is equal to one quintillionth of pascal: 1 aPa=1018 Pa1\ aPa= 10^{-18}\ PaShow source......
zeptopascalShow sourcezPazPazPaShow source...\text{...}-Derived pressure unit in SI system. One zeptopascal is equal to one sextillionth of pascal: 1 zPa=1021 Pa1\ zPa= 10^{-21}\ PaShow source......
yoctopascalShow sourceyPayPayPaShow source...\text{...}-Derived pressure unit in SI system. One yoctopascal is equal to one septillionth of pascal: 1 yPa=1024 Pa1\ yPa= 10^{-24}\ PaShow source......

height of the liquid column#

UnitSymbolSymbol
(plain text)
Value as symbolicValue as numericNotesUnit conversion formula
centimeter mercury (0°C)Show sourcecmHgcm HgcmHgShow source...\text{...}-The non-SI pressure unit. One centimetre of mercury (1 cmHg) is equivalent to the pressure acting to the floor (due to Earth gravity) by column filled up with mercury with one centimetre high (1 cm).1 cmHg=1 cm×dHg,0C×gearth102m×13.5951 kgm3×9.80665ms2==1333.22 kg×ms2×m2==1333.22 Nm2=1333.22 Pa\begin{aligned}1\ cmHg &= 1\ cm \times d_{Hg,0^{\circ}C} \times g_{earth} \approx \\&\approx 10^{-2} m \times 13.5951\ \frac{kg}{m^3} \times 9.80665 \frac{m}{s^2} =\\&= 1333.22\ \frac{kg \times m}{s^2 \times m^2} =\\&= 1333.22\ \frac{N}{m^2} = 1333.22\ Pa\end{aligned}Show source......
milimeter mercury (0°C)Show sourcemmHgmm HgmmHgShow source...\text{...}-The non-SI pressure unit. One milimetre of mercury (1 mmHg) is equivalent to the pressure acting to the floor (due to Earth gravity) by column filled up with mercury with one milimetre high (1 mm).1 mmHg=1 mm×dHg,0C×gearth103m×13.5951 kgm3×9.80665ms2==133.322 kg×ms2×m2==133.322 Nm2=133.322 Pa\begin{aligned}1\ mmHg &= 1\ mm \times d_{Hg,0^{\circ}C} \times g_{earth} \approx \\&\approx 10^{-3} m \times 13.5951\ \frac{kg}{m^3} \times 9.80665 \frac{m}{s^2} =\\&= 133.322\ \frac{kg \times m}{s^2 \times m^2} =\\&= 133.322\ \frac{N}{m^2} = 133.322\ Pa\end{aligned}Show source......
inch mercury (32°F)Show sourceinHgin HginHgShow source...\text{...}-The non-SI pressure unit. One inch of mercury (1 inHg) is equivalent to the pressure acting to the floor (due to Earth gravity) by column filled up with mercury with one inch high (1 in).1 inHg=1 in×dHg,32F×gearth0.0254 m×13.5951 kgm3×9.80665ms2==3386.38 kg×ms2×m2==3386.38 Nm2=3386.38 Pa\begin{aligned}1\ inHg &= 1\ in \times d_{Hg,32^{\circ}F} \times g_{earth} \approx \\&\approx 0.0254\ m \times 13.5951\ \frac{kg}{m^3} \times 9.80665 \frac{m}{s^2} =\\&= 3386.38\ \frac{kg \times m}{s^2 \times m^2} =\\&= 3386.38\ \frac{N}{m^2} = 3386.38\ Pa\end{aligned}Show source......
inch mercury (60°F)Show sourceinHgin HginHgShow source...\text{...}-Inch of mercury calculated using mercury density under temperature of sixty Fahrenheit degrees (60 oF). See the inch of mercury unit for more.1 inHg=1 in×dHg,60F×gearth0.0254 m×13.5568 kgm3×9.80665ms2==3376.85 kg×ms2×m2==3376.85 Nm2=3376.85 Pa\begin{aligned}1\ inHg &= 1\ in \times d_{Hg,60^{\circ}F} \times g_{earth} \approx \\&\approx 0.0254\ m \times 13.5568\ \frac{kg}{m^3} \times 9.80665 \frac{m}{s^2} =\\&= 3376.85\ \frac{kg \times m}{s^2 \times m^2} =\\&= 3376.85\ \frac{N}{m^2} = 3376.85\ Pa\end{aligned}Show source......
centimeter water (4°C)Show sourcecmAqcm AqcmAqShow source...\text{...}-The non-SI pressure unit. One centimetre of water (1 cmAq) is equivalent to the pressure acting to the floor (due to Earth gravity) by column filled up with water with one centimetre high (1 cm).1 cmAq=1 cm×dAq,4C×gearth102m×999.9720 kgm3×9.80665ms2==98.0638 kg×ms2×m2==98.0638 Nm2=98.0638 Pa\begin{aligned}1\ cmAq &= 1\ cm \times d_{Aq,4^{\circ}C} \times g_{earth} \approx \\&\approx 10^{-2} m \times 999.9720\ \frac{kg}{m^3} \times 9.80665 \frac{m}{s^2} =\\&= 98.0638\ \frac{kg \times m}{s^2 \times m^2} =\\&= 98.0638\ \frac{N}{m^2} = 98.0638\ Pa\end{aligned}Show source......
milimeter water (4°C)Show sourcemmAqmm AqmmAqShow source...\text{...}-The non-SI pressure unit. One milimetre of water (1 mmAq) is equivalent to the pressure acting to the floor (due to Earth gravity) by column filled up with water with one milimetre high (1 mm).1 mmAq=1 mm×dAq,4C×gearth103m×999.9720 kgm3×9.80665ms2==9.80638 kg×ms2×m2==9.80638 Nm2=9.80638 Pa\begin{aligned}1\ mmAq &= 1\ mm \times d_{Aq,4^{\circ}C} \times g_{earth} \approx \\&\approx 10^{-3} m \times 999.9720\ \frac{kg}{m^3} \times 9.80665 \frac{m}{s^2} =\\&= 9.80638\ \frac{kg \times m}{s^2 \times m^2} =\\&= 9.80638\ \frac{N}{m^2} = 9.80638\ Pa\end{aligned}Show source......
inch water (4°C)Show sourceinAqin AqinAqShow source...\text{...}-The non-SI pressure unit. One inch of water (1 inAq) is equivalent to the pressure acting to the floor (due to Earth gravity) by column filled up with water with one inch high (1 in).1 inAq=1 in×dAq,4C×gearth0.0254 m×980.638 kgm3×9.80665ms2==249.082052 kg×ms2×m2==249.082052 Nm2=249.082052 Pa\begin{aligned}1\ inAq &= 1\ in \times d_{Aq,4^{\circ}C} \times g_{earth} \approx \\&\approx 0.0254\ m \times 980.638\ \frac{kg}{m^3} \times 9.80665 \frac{m}{s^2} =\\&= 249.082052\ \frac{kg \times m}{s^2 \times m^2} =\\&= 249.082052\ \frac{N}{m^2} = 249.082052\ Pa\end{aligned}Show source......
foot water (4°C)Show sourceftAqft AqftAqShow source...\text{...}-The non-SI pressure unit. One foot of water (1 ftAq) is equivalent to the pressure acting to the floor (due to Earth gravity) by column filled up with water with one foot high (1 ft).1 ftAq=1 ft×dAq,4C×gearth0.3048 m×980.638 kgm3×9.80665ms2==2988.98 kg×ms2×m2==2988.98 Nm2=2988.98 Pa\begin{aligned}1\ ftAq &= 1\ ft \times d_{Aq,4^{\circ}C} \times g_{earth} \approx \\&\approx 0.3048\ m \times 980.638\ \frac{kg}{m^3} \times 9.80665 \frac{m}{s^2} =\\&= 2988.98\ \frac{kg \times m}{s^2 \times m^2} =\\&= 2988.98\ \frac{N}{m^2} = 2988.98\ Pa\end{aligned}Show source......
inch water (60°F)Show sourceinAqin AqinAqShow source...\text{...}-Inch of water calculated using water density under temperature of sixty Fahrenheit degrees (60 oF). See the inch of water unit for more.1 inAq=1 in×dAq,60F×gearth0.0254 m×13.5568 kgm3×9.80665ms2==3376.85 kg×ms2×m2==3376.85 Nm2=3376.85 Pa\begin{aligned}1\ inAq &= 1\ in \times d_{Aq,60^{\circ}F} \times g_{earth} \approx \\&\approx 0.0254\ m \times 13.5568\ \frac{kg}{m^3} \times 9.80665 \frac{m}{s^2} =\\&= 3376.85\ \frac{kg \times m}{s^2 \times m^2} =\\&= 3376.85\ \frac{N}{m^2} = 3376.85\ Pa\end{aligned}Show source......
foot water (60°F)Show sourceftAqft AqftAqShow source...\text{...}-Foot of water calculated using water density under temperature of sixty Fahrenheit degrees (60 oF). See the foot of water unit for more.1 inAq=1 in×dAq,60F×gearth0.3048 m×13.5568 kgm3×9.80665ms2==2986.116 kg×ms2×m2==2986.116 Nm2=2986.116 Pa\begin{aligned}1\ inAq &= 1\ in \times d_{Aq,60^{\circ}F} \times g_{earth} \approx \\&\approx 0.3048\ m \times 13.5568\ \frac{kg}{m^3} \times 9.80665 \frac{m}{s^2} =\\&= 2986.116\ \frac{kg \times m}{s^2 \times m^2} =\\&= 2986.116\ \frac{N}{m^2} = 2986.116\ Pa\end{aligned}Show source......

Force per area#

UnitSymbolSymbol
(plain text)
Value as symbolicValue as numericNotesUnit conversion formula
newton per square meterShow sourceNm2\frac{N}{m^2}N/m²Show source...\text{...}-Equivalent to one pascal. See the pascal unit for more information.1 Nm2=1 Pa1\ \frac{N}{m^2} = 1\ PaShow source......
newton per square decimeterShow sourceNdm2\frac{N}{dm^2}N/dm²Show source...\text{...}-Equivalent to pressure created by acting one newton force (1 N) to perpendicular surface of one square decimeter (1 dm2).1 Ndm2=1 N0.01 m2=100 Nm2=100 Pa1\ \frac{N}{dm^2} = \frac{1\ N}{0.01\ m^2} = \frac{100\ N}{m^2} = 100\ PaShow source......
newton per square centimeterShow sourceNcm2\frac{N}{cm^2}N/cm²Show source...\text{...}-Equivalent to pressure created by acting one newton force (1 N) to perpendicular surface of one square centimeter (1 cm2).1 Ncm2=1 N0.0001 m2=10000 Nm2=10 kPa1\ \frac{N}{cm^2} = \frac{1\ N}{0.0001\ m^2} = \frac{10000\ N}{m^2} = 10\ kPaShow source......
newton per square milimeterShow sourceNmm2\frac{N}{mm^2}N/mm²Show source...\text{...}-Equivalent to pressure created by acting one newton force (1 N) to perpendicular surface of one square milimeter (1 mm2).1 Nmm2=1 N106 m2=106 Nm2=1 MPa1\ \frac{N}{mm^2} = \frac{1\ N}{10^{-6}\ m^2} = \frac{10^6\ N}{m^2} = 1\ MPaShow source......
dyne per square centimeterShow sourcedynecm2\frac{dyne}{cm^2}dyne/cm²Show source...\text{...}-Basic pressure unit in the centimetre-gram-second system (CGS). Equivalent to one tenth of pascal (0.1 Pa). See the pascal unit for more information.1 dyncm2=0.001 N0.0001 m2=0.1 Nm2=0.1 Pa1\ \frac{dyn}{cm^2} = \frac{\cancel{0.001}\ N}{\cancel{0.000}1\ m^2} = \frac{0.1\ N}{m^2} = 0.1\ PaShow source......

Gravitational (metric)#

UnitSymbolSymbol
(plain text)
Value as symbolicValue as numericNotesUnit conversion formula
technical atmosphereShow sourceatatatShow source...\text{...}-Common name for kilogram-force per square centimeter (1 kgf/cm2) used in technical science and engineering applications. See the kilogram-force per square centimeter for more information.1 at=1 kgfcm21\ at = 1\ \frac{kgf}{cm^2}Show source......
kilogram-force per square meterShow sourcekgfm2\frac{kgf}{m^2}kgf/m²Show source...\text{...}-Pressure unit in the gravitational system. One kilogram-force (1 kgf) per square meter (1 kgf/m2) is equivalent to the pressure acting on the ground after putting the one kilogram of mass (1 kg) on the top of one square meter area (1 m2).1 kgfm2=1 kg×gearthm2==1 kg×9.806651 m/s2m2==9.806551 Nm2==9.806651 Pa==0.0001 at\begin{aligned}1\ \frac{kgf}{m^2} &= \frac{1\ kg \times g_{earth}}{m^2} =\\&= \frac{1\ kg \times 9.806651\ m/s^2}{m^2} =\\&= 9.806551\ \frac{N}{m^2} =\\&= 9.806651\ Pa =\\&= 0.0001\ at\end{aligned}Show source......
kilogram-force per square centimeterShow sourcekgfm2\frac{kgf}{m^2}kgf/cm²Show source...\text{...}-Pressure unit in the gravitational system. One kilogram-force (1 kgf) per square centimeter (1 kgf/cm2) is equivalent to the pressure acting on the ground after putting the one kilogram of mass (1 kg) on the top of one square centimeter area (1\ cm2).1 kgfcm2=kgf0.0001 m2=10000 kgfm2=1 at1\ \frac{kgf}{cm^2} = \frac{kgf}{0.0001\ m^2} = 10000\ \frac{kgf}{m^2} = 1\ atShow source......
kilogram-force per square milimeterShow sourcekgfmm2\frac{kgf}{mm^2}kgf/mm²Show source...\text{...}-Pressure unit in the gravitational system. One kilogram-force (1 kgf) per square milimeter (1 kgf/mm2) is equivalent to the pressure acting on the ground after putting the one kilogram of mass (1 kg) on the top of one square milimeter area (1\ mm2).1 kgfmm2=kgf106 m2=106 kgfm2=100 at1\ \frac{kgf}{mm^2} = \frac{kgf}{10^{-6}\ m^2} = 10^6\ \frac{kgf}{m^2} = 100\ atShow source......
gram-force per square centimeterShow sourcegfcm2\frac{gf}{cm^2}gf/cm²Show source...\text{...}-Equivalent to one kilogram-force per square meter (1 kgf/m2). See the kilogram-force per square meter unit for more information.1 gfcm2=kgfm2=0.0001 at1\ \frac{gf}{cm^2} = \frac{kgf}{m^2} = 0.0001\ atShow source......

Gravitational (imperial)#

UnitSymbolSymbol
(plain text)
Value as symbolicValue as numericNotesUnit conversion formula
ton-force (long) per square inchShow sourcetflongin2\frac{tf_{long}}{in^2}tf(long)/in²Show source...\text{...}-Pressure unit in the imperial gravitational system. One ton-force (long) (2240 lbs) per square inch (1 tf/in2) is equivalent to the pressure acting on the ground after putting the one long ton of mass (2240 lbs) on the top of one square inch area (1\ in2).1 tflongin2=2240 lbs×gziemiain21\ \frac{tf_{long}}{in^2} = \frac{2240\ lbs \times g_{ziemia}}{in^2}Show source......
ton-force (short) per square inchShow sourcetfshortin2\frac{tf_{short}}{in^2}tf(short)/in²Show source...\text{...}-Pressure unit in the imperial gravitational system. One ton-force (short) (2000 lbs) per square inch (1 tf/in2) is equivalent to the pressure acting on the ground after putting the one short ton of mass (2000 lbs) on the top of one square inch area (1\ in2).1 tfshortin2=2000 lbs×gearthin21\ \frac{tf_{short}}{in^2} = \frac{2000\ lbs \times g_{earth}}{in^2}Show source......
kip-force per square inchShow sourcekipin2\frac{kip}{in^2}kip/in²Show source...\text{...}-Pressure unit in the imperial gravitational system. One kip-force (1 kpf) per square inch (1 kpf/in2) is equivalent to the pressure acting on the ground after putting the one thousand pounds mass (1000 lbs) on the top of one square inch area (1\ in2).1 kpfin2=1000 lbs×gearthin2=1000 pdlin21\ \frac{kpf}{in^2} = \frac{1000\ lbs \times g_{earth}}{in^2} = 1000\ \frac{pdl}{in^2}Show source......
ksiShow sourceksiksiksiShow source...\text{...}-Equivalent to one thousand psi (1000 psi) or one thousand pound-force per square inch (1000 lbf/in2). See the psi unit for more information.1 ksi=1000 psi=1000 lbfin21\ ksi = 1000\ psi = 1000\ \frac{lbf}{in^2}Show source......
ton-force (long) per square footShow sourcetflongft2\frac{tf_{long}}{ft^2}tf(long)/ft²Show source...\text{...}-Pressure unit in the imperial gravitational system. One ton-force (long) (2240 lbs) per square foot (1 tf/ft2) is equivalent to the pressure acting on the ground after putting the one long ton of mass (2240 lbs) on the top of one square foot area (1\ ft2).1 tflongft2=2240 lbs×gearthft21\ \frac{tf_{long}}{ft^2} = \frac{2240\ lbs \times g_{earth}}{ft^2}Show source......
ton-force (short) per square footShow sourcetfshortft2\frac{tf_{short}}{ft^2}tf(short)/ft²Show source...\text{...}-Pressure unit in the imperial gravitational system. One ton-force (short) (2000 lbs) per square foot (1 tf/ft2) is equivalent to the pressure acting on the ground after putting the one short ton of mass (2000 lbs) on the top of one square foot area (1\ ft2).1 tfshortft2=2000 lbs×gearthft21\ \frac{tf_{short}}{ft^2} = \frac{2000\ lbs \times g_{earth}}{ft^2}Show source......
pound-force per square footShow sourcelbfin2\frac{lbf}{in^2}lbf/in²Show source...\text{...}-Pressure unit in the imperial gravitational system. One pound-force (1 lbf) per square inch (1 lbf/in2) is equivalent to the pressure acting on the ground after putting the one pound mass (1 lb) on the top of one square inch area (1\ in2).1 lbfin2=1 lb×gearthin21\ \frac{lbf}{in^2} = \frac{1\ lb \times g_{earth}}{in^2}Show source......
psiShow sourcepsipsipsiShow source...\text{...}-Common name for pound-force per square inch (1 lbf/in2). See the pound-force per square inch unit for more information.1 psi=1 lbfin21\ psi = 1\ \frac{lbf}{in^2}Show source......
pound-force per square footShow sourcelbfft2\frac{lbf}{ft^2}lbf/ft²Show source...\text{...}-Pressure unit in the imperial gravitational system. One pound-force (1 lbf) per square foot (1 tf/ft2) is equivalent to the pressure acting on the ground after putting the one pound mass (1 lb) on the top of one square foot area (1\ ft2).1 lbfft2=1 lb×gearthft21\ \frac{lbf}{ft^2} = \frac{1\ lb \times g_{earth}}{ft^2}Show source......
poundal per square footShow sourcepdlft2\frac{pdl}{ft^2}pdl/ft²Show source...\text{...}-Pressure unit in the imperial gravitational system created by dividing the unit force poundal (1 pdl) per area unit square foot (1 ft2).Show source......

other#

UnitSymbolSymbol
(plain text)
Value as symbolicValue as numericNotesUnit conversion formula
barShow sourcebarbarbarShow source...\text{...}-Equivalent to one hundred kilopascals (100 kPa). See the kilopascal unit for more information.1 bar=100 kPa=100 000 Pa1\ bar = 100\ kPa = 100\ 000\ PaShow source......
milibarShow sourcembarmbarmbarShow source...\text{...}-Equivalent to one kilopascal (1 kPa) or one thousand pascals (1000 Pa). See the pascal or kilopascal units for more information.1 mbar=1 kPa=1000 Pa1\ mbar = 1\ kPa = 1000\ PaShow source......
microbarShow sourceμbar\mu barµbarShow source...\text{...}-Equivalent to one tenth of pascal (0.1 Pa). See the pascal unit for more information.1 μbar=0.1 Pa1\ \mu bar = 0.1\ PaShow source......
TorrShow sourceTrTrTrShow source...\text{...}-Equivalent to 1/760 of standard atmosphere (1/760 atm). See the standard atmosphere unit for more information.1 Tr=1760 atm1\ Tr = \frac{1}{760}\ atmShow source......
standard atmosphereShow sourceatmatmatmShow source...\text{...}-Equivalent to 760 mercury milimetres (760 mmHg) at temperature of zero celsius degrees (0 °C). Sometimes called also physical atmosphere. See the mercury milimetre unit for more information.1 atm=760 mmHg 0C=1013.25 hPa1\ atm = 760\ mmHg_{\ 0^{\circ}C} = 1013.25\ hPaShow source......

Some facts#

  • Pressure determines the force that works perpendicular to the surface. Mathematically, we can write it down in the following way:
    p=FpSp = \dfrac{F_p}{S}
    where:
    • pp - pressure,
    • FpF_p - component of force acting perpendicular to the surface,
    • SS - the area on which force is acting.
  • Pressure is scalar.
  • The pressure is usually marked with the letter p or P.
  • The pressure prevailing in the gas-filled vessel is the average force acting on the walls of this vessel. In this sense, the pressure is thus the statistical property.
  • The basic pressure unit in the SI system is pascal, which is equal to the pressure corresponding to the force of one newton acting on the surface of one square meter:
    1Pa=1N1m21 Pa = \dfrac{1 N}{1 m^2}
  • The relationship between pressure, temperature, and volume of perfect gas (i.e. one where the particles do not interact with each other) is described by the Clapeyron's equation:
    pV=nRTpV = nRT
    where:

How to convert#

  • Enter the number to field "value" - enter the NUMBER only, no other words, symbols or unit names. You can use dot (.) or comma (,) to enter fractions.
    Examples:
    • 1000000
    • 123,23
    • 999.99999
  • Find and select your starting unit in field "unit". Some unit calculators have huge number of different units to select from - it's just how complicated our world is...
  • And... you got the result in the table below. You'll find several results for many different units - we show you all results we know at once. Just find the one you're looking for.

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