Quickly choose from 8 common measurands that we all use everyday, and convert measurements to different units for Length, Mass, Temperature, Time Period, Area, Volume, Pressure and Speed.
Pressure Conversion
US/Imperial & Metric Units Converter
Convert between us / imperial and metric units for measurements of length, area, volume, speed, temperature, mass, force, and pressure.
Torr to psi Conversion Table
Scroll down to a pressure from 1 to 1,000 Torr to see the matching reading in psi units.
psf to psi Conversion Table
Look up a value in pounds per square foot from 1 to 3,000 to obtain the converted value in pounds force per square inch units.
oz/in² to psi Conversion Table
Look up a value in ounces force per square inch from 1 to 2000 to obtain the converted value in pounds per square inch units.
N/mm² to psi Conversion Table
Pick out the vacuum or atmosphere pressure value you require from 1 to 1,000 newtons per square millimetre to determine the converted value in lbs/sq in units.
N/m² to psi Conversion Table
Pick out the vacuum or atmosphere pressure value you require from 1 to 200,000 newtons per square metre to determine the converted value in lbs/sq in units.
mmHg to psi Conversion Table
Scroll down to a pressure from 1 to 1,000 millimetres of mercury column to see the matching reading in psi units.
inHg to psi Conversion Table
Scroll down to a pressure from 0.01 to 40.00 inches of mercury column to see the matching reading in psi units.
g/cm² to psi Conversion Table
Look up a pressure value from 1 to 2000 grams/sq cm to find the equivalent value in pounds/sq in.
dyn/cm² to psi Conversion Table
Look up a pressure value in dynes per square centimetre from 1,000 to 2,000,000 to obtain the converted value in pounds per square inch units.
psi to Torr Conversion Table
Select a pressure in 0.01psi increment from 0.01 to 20.00 pounds force per square inch to see the matching pressure measured in torr units.
psi to psf Conversion Table
Look up a value in pounds per square inch from 0.01 to 20.00 to obtain the converted value in pounds force per square foot units.
psi to oz/in² Conversion Table
Look up a value in pounds per square inch from 0.1 to 100.0 to obtain the converted value in ounces force per square inch units.
psi to N/mm² Conversion Table
Pick out the high range pressure value you require from 100 to 100,000 lbs/sq in to determine the converted value in newtons per square millimetre units.
psi to N/m² Conversion Table
Pick out the vacuum or atmosphere pressure value you require from 0.01 to 20 lbs/sq in to determine the converted value in newtons per square metre units.
psi to g/cm² Conversion Table
Look up a value in pounds per square inch from 0.01 to 20.00 to obtain the converted value in grams per square centimetre.
psi to dyn/cm² Conversion Table
Look up a value in pounds per square inch from 0.01 to 20.00 to obtain the converted value in dynes per square centimetre.
Torr to bar Conversion Table
Pinpoint the pressure in torr pressure units from 1 to 1,000 to determine the value in bar units.
Pa to bar Conversion Table
Scroll down the Pa column and pick a pressure value between 100 and 200,000 pascals to view the equivalent value in bar.
N/mm2 to bar Conversion Table
Use this look-up table to convert any value between 1 to 1,000 newtons per square millimetre into bar.
N/m2 to bar Conversion Table
Use this look-up table to convert any value between 100 to 200,000 newtons per square metre into bar.
MPa to bar Conversion Table
Scroll down the MPa column and pick a pressure value between 1 and 1,000 megapascals to view the equivalent value in bar.
mmHg to bar Conversion Table
Pinpoint the pressure in millimetres of mercury column pressure units from 1 to 1,000 to determine the value in bar units.
mbar to bar Conversion Table
Pinpoint the pressure in millibar pressure units from 1 to 2,000 to determine the value in bar.
ksi (kilopounds per square inch) to bar Conversion Table
Use this list to convert from 1 to 1000 kilopound per square inch into bar pressure units.
kPa to bar Conversion Table
Scroll down the kPa column and pick a pressure value between 0.1 and 1,000 kilopascals to view the equivalent value in bar.
inHg to bar Conversion Table
Find a value from 0.01 to 40 inches of mercury column to determine the equivalent value in bar pressure units.
bar to inHg Conversion Table
Choose a value from 1 to 2.000 bar to determine the converted value in inches of mercury column pressure units.
inH2O to bar Conversion Table
Find a value from 1 to 1000 inches of water column to determine the equivalent value in bar pressure units.
hPa to bar Conversion Table
Pinpoint the pressure in hectopascal pressure units from 1 to 2,000 to determine the value in bar.
ftH2O to bar Conversion Table
Scroll down to the required water column height between 1 and 40,000 feet of water to find the matching hydrostatic water pressure in bar.
bar to Torr Conversion Table
Pinpoint the pressure in bar pressure units from 0.001 to 2 to determine the value in Torr pressure units.
bar to N/mm2 Conversion Table
Use this look-up table to convert any value between 0.001 to 2 bar into Newtons per square millimetre.
bar to mmHg Conversion Table
Pinpoint the pressure in bar pressure units from 0.001 to 2 to determine the value in millimetres of mercury column.
bar to N/m² Conversion Table
Use this look-up table to convert any value between 0.001 to 2 bar into Newtons per square metre.
bar to mbar Conversion Table
Pinpoint the pressure in bar pressure units from 0.001 to 2 to determine the value in millibars.
bar to hPa Conversion Table
Pinpoint the pressure in bar pressure units from 0.001 to 2 to determine the value in hectopascals.
mH2O to psi Conversion Table
Scroll down to a pressure from 0.1 to 10,000 meters of water column to see the matching reading in psi units.
inH2O to psi Conversion Table
Scroll down to a pressure from 1 to 1000 inches of water column to see the matching reading in psi units.
hPa to psi Conversion Table
Choose the value you want to convert from 1 to 2000 hectopascals to obtain the equivalent value in pounds per square inch.
mmHg to Pa (pascals) Conversion Table
Look-up below any value from 1 to 1000 millimetres of mercury to read off the equivalent value in pascals.
mmH2O to Pa (pascals) Conversion Table
Choose the required air pressure value between 0.1 and 100 millimetres of water and read off the matching pressure in pascals.
mmHg to mmH2O Conversion Table
Choose a vacuum pressure in millimeters of mercury column from 0.1 to 1,000 mmHg to cross reference the converted pressure in millimeters of water column.
kPa to mbar Conversion Table
Scroll down the kPa column and pick a pressure value between 0.2 and 200 kilopascals to view the equivalent value in millibars.
mH2O to kPa Conversion Table
Look up a metre of water column value from 0.1 to 100 to find the converted in value in kilopascal units.
mmHg to inHg Conversion Table
Choose readings from 0 to 1000 millimetres of mercury column to convert them into inches of mercury column.
mH2O to bar Conversion Table
Scroll down to the required water column height between 0.1 and 10,000 metres of water to find the matching hydrostatic water pressure in bar.
N/mm² to kg/cm² Conversion Table
Look up a pressure reading from 1 to 1000 newtons per sq mm to determine the equivalent value in kg per sq cm.
Vacuum Conversion Table
Look up a vacuum conversion value for percentage of vacuum (% vac), millibar (mbar, mb), hectopascal (hPa), pounds per square inch (psi), inches of mercury (inHg), millimetres of mercury (mmHg) or Torr absolute vacuum units.
Pressure Converter
Convert pressure units with the pressure converter, look up a conversion using tables, identify a pressure unit and find a pressure conversion factor.
ksi – Kilopounds per Square Inch Pressure Unit
The ksi pressure unit is derived from the psi pressure unit by multiplying it by 1,000, and the full name is kilopounds force per square inch.
mPa – Millipascal Pressure Unit
Find conversions for the mPa (Millipascal) pressure unit.
N/mm² – Newton per Square Millimetre Pressure Unit
Find conversions for the N/mm² (newtons per square millimetre) pressure unit.
N/cm² – Newton per Square Centimetre Pressure Unit
Find conversions for the N/cm² (newtons per square centimetre) pressure unit.
kg/mm² – Kilogram per Square Millimetre Pressure Unit
Find conversions for the kg/mm² (kilograms per square millimetre) pressure unit.
Barometric mbar/hPa, psi, inHg, mmHg/Torr Conversion Table
Look up a barometric conversion value for millibar (mbar, mb), hectopascal (hPa), pounds per square inch (psi), inches of mercury (inHg), millimetres of mercury (mmHg) or Torr pressure units.
inH2O to mmH2O, mbar, psi and mmHg Conversion Table
Look up a low pressure in inches of water column to find the conversion value in millimetres of water, millibar, pounds per square inch or millimetres of mercury.
mH2O to ftH2O, bar, psi and inHg Conversion Table
Look up a liquid level in metres of water column to find the conversion value in feet of water, bar, pounds per square inch or inches of mercury.
psi to mbar, hPa, Bar, inHg, mH2O, inH2O and ftH2O Conversion Table
Look up a pressure in pounds per square inch (psi) to find the conversion value in mb, hPa, bar, inHg, mH2O, inH2O or ftH2O.
bar to psi, inHg, mH2O and ftH2O Conversion Table
Look up a pressure for 1 to 1000 bar to find the conversion value in pounds per square inch, inches of mercury, metres of water column or feet of water column.
cmH2O – Centimetres of Water Column at 4 deg C Pressure Unit
Centimeters of Water Column is a manometric unit used to relate a pressure reading to the height of fresh water at a temperature of 4 degC. 1 centimeter of water gauge equals 98.0665 pascals.
cmHg – Centimetres of Mercury at 0 deg C Pressure Unit
Centimeters of Mercury is a small pressure unit which represents the pressure pushing down due to gravity of any volume of liquid mercury which is 1cm high. 1 centimeter of mercury at zero degrees Celsius equals 1333.22 pascals. The use of cmHg is not as common as mmHg, it is mainly used in applications for […]
dyn/cm² – Dyne per Square Centimetre Pressure Unit
Dyne per Square Centimeter is one of the smallest pressure units and is derived from the CGS unit for force, 1 Dyne per Square Centimetre equals 0.1 pascals.
ftH2O – Feet of Water Column at 4 deg C Pressure Unit
Foot of Water Column is an American and English low value pressure unit
g/cm² – Grams per Square Centimetre Pressure Unit
Grams Force per Square Centimetre is a cgs system pressure unit which is now largely obsolete and officially superceded by the SI system of units.
hPa – Hectopascal Pressure Unit
Hectopascal is a 100x multiple of the pascal which is the SI unit for pressure.
inH2O – Inches of Water Column at 4 deg C Pressure Unit
Inches of water gauge or column is an english and american unit for measuring liquid level. 1 inch of water column at 4 degrees celsius equals 249.089 Pa.
inHg – Inches of Mercury at 0 degrees C Pressure Unit
Inch of Mercury is a British and American unit of measure for pressure. 1 inch of mercury at 0 degrees Celsius (32 deg F) equals 3386.39 pascals. An inch of mercury at zero degrees Celsius is defined as the pressure exerted by a column of mercury with a density of 13,595.1 kg/m3 under the pull […]
kg/cm² – Kilogram per Square Centimetre Pressure Unit
Kilogram Force per Square Centimeter is a pressure unit that has been largely superseded by the SI unit system of pascal units.
kPa – Kilopascal Pressure Unit
The kilopascal is a x1000 multiple of the pascal unit which is the SI unit for pressure. 1 kilopascal equals 1,000 Pascals.
MPa – Megapascal Pressure Unit
The megapascal is a x1000000 multiple of the pascal unit which is the SI unit for pressure. 1 megapascal equals 1,000,000 pascals.
mH2O – Metres of Water Gauge at 4 deg C Pressure Unit
Meters of water gauge or column is a metric unit for measuring liquid level. 1 metre of water column at 4 degrees Celsius equals 9806.65 pascals.
µHg – Micron of Mercury at 0 deg C Pressure Unit
Micron of Mercury is a very small pressure unit derived from the pressure that is generated by a 1 micrometer (1/1000mm) column of liquid mercury.
mbar – Millibar Pressure Unit
Millibar is a metric unit of pressure mainly used in European countries and is derived directly from the bar pressure unit which equals 1,000 mbar.
mmH2O – Millimetres of Water Column at 4 deg C Pressure Unit
Millimeters of Water Column is a low range metric pressure unit derived from the hydrostatic pressure of 1mm head of water at 4 degC.
mmHg – Millimetres of Mercury at 0 deg C Pressure Unit
Millimeters of Mercury at a temperature of 0degC is a small metric pressure unit derived from the pressure generated by a 1mm tall column of mercury liquid.
mTorr – Millitorr Pressure Unit
Millitorr is a very small pressure unit used for high vacuum measurements and is a 1/1000x multiple of the torr pressure unit.
N/m2 – Newton per Square Metre Pressure Unit
Newtons/Square Meter is a unit that shows how the pascal unit is derived from other SI units. Pressure is defined as Force/Area and the SI unit for Force is newtons (N) and the SI unit for Area is Sq Meters (m²). 1 newton per square metre equals 1 pascal. The N/m² pressure unit is one […]
oz/in² – Ounce per Square Inch Pressure Unit
Ounce or Ounce Force per Square Inch is a low pressure unit which is part of the British and American system of units.
Pa – Pascal Pressure Unit
Pascal is the SI unit for pressure and is derived from other SI units using the following relationship: Pa = (kg.m/s²)/m² = kg/m.s² = N/m².
psf – Pounds per Square Foot Pressure Unit
Pounds Force per Square Foot is a British (Imperial) and American pressure unit which is directly related to the psi pressure unit by a factor of 144.
psi – Pounds per Square Inch Pressure Unit
Pounds or pound force per square inch (psi, lb/in², pfsi or lbf/in²) is a widely used British and American unit of measure for pressure.
atm – Standard Atmosphere Pressure Unit
Standard Atmosphere is mainly used as a reference value for the average atmospheric pressure at sea level.
at – Technical Atmosphere Pressure Unit
Technical Atmosphere is used to represent a pressure value in multiples of atmospheric pressure.
tsf – Tons per Square Foot (USA, Short) Pressure Unit
Tons or Tons Force per Square Foot (USA, Short) is an American pressure unit comparable in magnitude to atmospheric pressure.
tsi – Tons per Square Inch (UK, Long) Pressure Unit
Tons or Tons Force per Square Inch (UK, Long) is a very large pressure unit used historically for measuring extremely high pressures.
tsi – Tons per Square Inch (USA, Short) Pressure Unit
Tons or Tons Force per Square Inch (USA, Short) is one of the largest pressure units and is used in the measurement of ultra high pressures. 1 ton per square inch (usa, short) equals 13,789,500 pascals. This is the American version of tons per square inch which uses the so called short ton that is […]
Torr Pressure Unit
Torr is a pressure unit which is defined as 1 standard atmosphere divided by 760 (1 atm/760 or 101325 Pa/760).
mmH2O to mmHg Conversion Table
Choose a vacuum pressure in millimeters of water gauge from 1 to 10,000 mmWG to cross reference the converted pressure in millimeters of mercury.
psi to inHg Conversion Table
Find the corresponding value in inch of mercury pressure units for pounds per square inch values from 0.01 to 20.00 psi.
psi to mmHg Conversion Table
Select a pressure in 0.01psi increment from 0.01 to 20.00 psi to see the matching pressure measured in millimeters of mercury.
psi to mH2O Conversion Table
Scroll down to pick a psi value from 1 to 1000 to read off the water level in meters of water.
psi to inH2O Conversion Table
Scroll down to a pressure from 0.1 to 20.00 psi to see the matching reading in inches of water units.
psi to ftH2O Conversion Table
Look up a pressure from 1 to 1,000 pounds/sq in to read off the hydrostatic water level in feet.
bar to inH2O Conversion Table
Choose a value from 0.001 to 1.000 bar to read off the converted measurement in inches of water gauge pressure units.
bar to ftH2O Conversion Table
Use the list below to find the water height in feet for a pressure from 0.01 to 1000 bar.
Pa (pascals) to Torr Conversion Table
Pick out a value form 1 to 1000 pascals to read off the value in Torr.
Pa (pascals) to psi Conversion Table
Use the table below to convert a pascal pressure reading from 100 to 100,000 Pa to determine the pressure in pounds/sq in.
MPa to ksi (kilopounds per square inch) Conversion Table
Use this list to convert from 1 to 1000 megapascals into kilopound per square inch units.