Pascal (Pa) - Pressure Unit - Definition, Application, Conversions

What is the pascal (Pa)?

Pascal (Pa) is the unit of measurement of pressure (and stress) in the International System of Units (SI). It is named after Blaise Pascal, a French mathematician, physicist and philosopher who contributed to the study of pressure and fluids.

Pascal is defined as the pressure exerted by a force of one newton (N) uniformly distributed over an area of one square metre (m²). In other words, 1 Pa = 1 N/m².

It is a relatively small unit, which is why multiples of it are often used in practical applications, such as kilopascals (kPa), megapascals (MPa) or gigapascals (GPa).

Pascal is rarely used directly in the industry concerning industrial hoses. Larger units like kilopascal or megapascal are more practical. In industrial hoses, working pressure is a key parameter, and pascal serves as the base for expressing these values.

When are pascals used to measure pressure?

Pascals are used to measure pressure in many sectors of human activity, as it is one of the basic units in the SI system. Below you can find some of its main uses:

• Science and research - Pascal is the basic unit for measuring pressure in most scientific research. It is used in physics, chemistry, engineering and geology to determine pressure in gases, liquids and solids. 
• Meteorology - In meteorology, pascals are used to measure atmospheric pressure. While in practice hectopascals (hPa) are more commonly used, the pascal remains the reference unit. 
• Engineering - In various engineering fields, including mechanical, chemical, civil and aeronautical engineering, pascals are used to measure pressure in hydraulic systems, pneumatic systems, lubrication systems, and for testing materials. 
• Medicine - In medicine, pascals are used to measure blood pressure, intracranial pressure and intraocular pressure. Accurate pressure measurements are crucial for diagnosing and monitoring various health conditions. 
• Technology and electronics - In semiconductor technology and other areas of electronics, pascals are used to measure pressure in manufacturing processes such as vapour deposition and acidorite processes. 
• Astronomy and cosmology - Pascal is also used in astronomy and cosmology, where it is used to measure the pressure in space

How to measure pressure in Pascals?

To measure pressure in Pascals (Pa), use an appropriate measuring device, such as a manometer calibrated in Pascals.

Here are the steps to take to measure pressure in Pascals (Pa):

1. Select the appropriate manometer - Use a digital manometer or a mechanical manometer calibrated in Pascals.
2. Identify the measuring point - Determine where you want to measure pressure (e.g. in a hydraulic system, gas system, ventilation system or atmospheric pressure measurement).
3. Connect the manometer - Connect the manometer to the appropriate measuring point. Make sure the connection is tight to avoid errors in reading.
4. Read the result - On a digital manometer, the pressure will be displayed directly on the screen in Pa, if this is the unit selected. On a mechanical manometer, the result will be indicated on the dial of the device.

If you are measuring in other units, you can convert it to Pascals using the appropriate pressure converters.

Conversion of pressure unit pascal (Pa)

• 1 Pa = 0,00001 bar
• 1 Pa = 0,01 hPa
• 1 Pa = 0,001 kPa
• 1 Pa = 0,000001 MPa
• 1 Pa = 0,000009869232667160129 atm
• 1 Pa = 0,000145038 PSI
• 1 Pa = 0,101971621 mmH2O
• 1 Pa = 0,00401865 inH2O
• 1 Pa = 0,00750062 Tr
• 1 Pa = 0,00750062 mmHg
• 1 Pa = 0,0002953 inHg
• 1 Pa = 0,0208855 PSF
• 1 Pa = 0,0000101972 at
  

1 pascal (Pa) = 0,00001 bar = 0,01 hPa = 0,001 kPa = 0,000001 MPa = 0,000009869232667160129 atm = 0,000145038 PSI = 0,101971621 mmH2O = 0,00401865 inH2O = 0,00750062 Tr = 0,00750062 mmHg = 0,0002953 inHg = 0,0208855 PSF = 0,0000101972 at

Pa to Bar - Pascal to Bar pressure unit conversion

To convert pressure from Pascal (Pa) to Bar multiply the pressure in Pascal (Pa) by 0,00001.

• 1 Pa to bar? 1 Pa is equal to 0,00001 bar
• 2 Pa to bar? 2 Pa is equal to 0,00002 bar
• 5 Pa to bar? 5 Pa is equal to 0,00005 bar
• 10 Pa to bar? 10 Pa is equal to 0,0001 bar
• 20 Pa to bar? 20 Pa is equal to 0,0002 bar
• 50 Pa to bar? 50 Pa is equal to 0,0005 bar
• 100 Pa to bar? 100 Pa is equal to 0,001 bar
• 200 Pa to bar? 200 Pa is equal to 0,002 bar
• 500 Pa to bar? 500 Pa is equal to 0,005 bar
• 1000 Pa to bar? 1000 Pa is equal to 0,01 bar

Pa to hPa - Pascal to Hectopascal pressure unit conversion

To convert pressure from Pascal (Pa) to Hectopascal (hPa) multiply the pressure in Pascal (Pa) by 0,01.

• 1 Pa to hPa? 1 Pa is equal to 0,01 hPa
• 2 Pa to hPa? 2 Pa is equal to 0,02 hPa
• 5 Pa to hPa? 5 Pa is equal to 0,05 hPa
• 10 Pa to hPa? 10 Pa is equal to 0,1 hPa
• 20 Pa to hPa? 20 Pa is equal to 0,2 hPa
• 50 Pa to hPa? 50 Pa is equal to 0,5 hPa
• 100 Pa to hPa? 100 Pa is equal to 1 hPa
• 200 Pa to hPa? 200 Pa is equal to 2 hPa
• 500 Pa to hPa? 500 Pa is equal to 5 hPa
• 1000 Pa to hPa? 1000 Pa is equal to 10 hPa
• 10000 Pa to hPa? 10000 Pa is equal to 100 hPa

Pa to kPa - Pascal to Kilopascal pressure unit conversion

To convert pressure from Pascal (Pa) to Kilopascal (kPa) multiply the pressure in Pascal (Pa) by 0,001.

• 1 Pa to kPa? 1 Pa is equal to 0,001 kPa
• 2 Pa to kPa? 2 Pa is equal to 0,002 kPa
• 5 Pa to kPa? 5 Pa is equal to 0,005 kPa
• 10 Pa to kPa? 10 Pa is equal to 0,01 kPa
• 20 Pa to kPa? 20 Pa is equal to 0,02 kPa
• 50 Pa to kPa? 50 Pa is equal to 0,05 kPa
• 100 Pa to kPa? 100 Pa is equal to 0,1 kPa
• 200 Pa to kPa? 200 Pa is equal to 0,2 kPa
• 500 Pa to kPa? 500 Pa is equal to 0,5 kPa
• 1000 Pa to kPa? 1000 Pa is equal to 1 kPa

Pa to MPa - Pascal to Megapascal pressure unit conversion

To convert pressure from Pascal (Pa) to Megapascal (MPa) multiply the pressure in Pascal (Pa) by 0,000001.

• 1 Pa to MPa? 1 Pa is equal to 0,000001 MPa
• 2 Pa to MPa? 2 Pa is equal to 0,000002 MPa
• 5 Pa to MPa? 5 Pa is equal to 0,000005 MPa
• 10 Pa to MPa? 10 Pa is equal to 0,00001 MPa
• 20 Pa to MPa? 20 Pa is equal to 0,00002 MPa
• 50 Pa to MPa? 50 Pa is equal to 0,00005 MPa
• 100 Pa to MPa? 100 Pa is equal to 0,0001 MPa
• 200 Pa to MPa? 200 Pa is equal to 0,0002 MPa
• 500 Pa to MPa? 500 Pa is equal to 0,0005 MPa
• 1000 Pa to MPa? 1000 Pa is equal to 0,001 MPa

Pa to atm - Pascal to Atmosphere pressure unit conversion

To convert pressure from Pascal (Pa) to Atmosphere (atm) multiply the pressure in Pascal (Pa) by 0,000009869232667160129.

• 1 Pa to atm? 1 Pa is equal to 0,0000099 atm
• 2 Pa to atm? 2 Pa is equal to 0,0000197 atm
• 5 Pa to atm? 5 Pa is equal to 0,0000493 atm
• 10 Pa to atm? 10 Pa is equal to 0,0000987 atm
• 20 Pa to atm? 20 Pa is equal to 0,0001974 atm
• 50 Pa to atm? 50 Pa is equal to 0,0004935 atm
• 100 Pa to atm? 100 Pa is equal to 0,0009869 atm
• 200 Pa to atm? 200 Pa is equal to 0,0019738 atm
• 500 Pa to atm? 500 Pa is equal to 0,0049346 atm
• 1000 Pa to atm? 1000 Pa is equal to 0,0098692 atm
• 7740 Pa to atm? 7740 Pa is equal to 0,0763879 atm

Pa to PSI - Pascal to PSI pressure unit conversion

To convert pressure from Pascal (Pa) to PSI multiply the pressure in Pascal (Pa) by 0,000145038.

• 1 Pa to PSI? 1 Pa is equal to 0,000145038 PSI
• 2 Pa to PSI? 2 Pa is equal to 0,000290076 PSI
• 5 Pa to PSI? 5 Pa is equal to 0,00072519 PSI
• 10 Pa to PSI? 10 Pa is equal to 0,00145038 PSI
• 20 Pa to PSI? 20 Pa is equal to 0,00290076 PSI
• 50 Pa to PSI? 50 Pa is equal to 0,0072519 PSI
• 100 Pa to PSI? 100 Pa is equal to 0,0145038 PSI
• 200 Pa to PSI? 200 Pa is equal to 0,0290076 PSI
• 240 Pa to PSI? 240 Pa is equal to 0,03480912 PSI
• 250 Pa to PSI? 250 Pa is equal to 0,0362595 PSI
• 500 Pa to PSI? 500 Pa is equal to 0,072519 PSI
• 1000 Pa to PSI? 1000 Pa is equal to 0,145038 PSI
• 2000 Pa to PSI? 2000 Pa is equal to 0,290076 PSI
• 5000 Pa to PSI? 5000 Pa is equal to 0,72519 PSI

Pa to mmH2O - Pascal to Milimetre of water column pressure unit conversion

To convert pressure from Pascal (Pa) to Milimetre of water column (mmH2O) multiply the pressure in Pascal (Pa) by 0,101971621.

• 1 Pa to mmH2O? 1 Pa is equal to 0,10197 mmH2O
• 2 Pa to mmH2O? 2 Pa is equal to 0,20394 mmH2O
• 5 Pa to mmH2O? 5 Pa is equal to 0,50986 mmH2O
• 10 Pa to mmH2O? 10 Pa is equal to 1,01972 mmH2O
• 20 Pa to mmH2O? 20 Pa is equal to 2,03943 mmH2O
• 50 Pa to mmH2O? 50 Pa is equal to 5,09858 mmH2O
• 100 Pa to mmH2O? 100 Pa is equal to 10,19716 mmH2O
• 200 Pa to mmH2O? 200 Pa is equal to 20,39432 mmH2O
• 500 Pa to mmH2O? 500 Pa is equal to 50,98581 mmH2O
• 1000 Pa to mmH2O? 1000 Pa is equal to 101,97162 mmH2O

Pa to inH2O - Pascal to Inch of water column pressure unit conversion

To convert pressure from Pascal (Pa) to Inch of water column (inH2O) multiply the pressure in Pascal (Pa) by 0,00401865.

• 1 Pa to inH2O? 1 Pa is equal to 0,00402 inH2O
• 2 Pa to inH2O? 2 Pa is equal to 0,00804 inH2O
• 5 Pa to inH2O? 5 Pa is equal to 0,02009 inH2O
• 10 Pa to inH2O? 10 Pa is equal to 0,04019 inH2O
• 20 Pa to inH2O? 20 Pa is equal to 0,08037 inH2O
• 50 Pa to inH2O? 50 Pa is equal to 0,20093 inH2O
• 100 Pa to inH2O? 100 Pa is equal to 0,40187 inH2O
• 200 Pa to inH2O? 200 Pa is equal to 0,80373 inH2O
• 500 Pa to inH2O? 500 Pa is equal to 2,00933 inH2O
• 1000 Pa to inH2O? 1000 Pa is equal to 4,01865 inH2O

Pa to torr - Pascal to torr pressure unit conversion

To convert pressure from Pascal (Pa) to torr (Tr) multiply the pressure in Pascal (Pa) by 0,00750062.

• 1 Pa to torr? 1 Pa is equal to 0,0075 torr
• 2 Pa to torr? 2 Pa is equal to 0,015 torr
• 5 Pa to torr? 5 Pa is equal to 0,0375 torr
• 10 Pa to torr? 10 Pa is equal to 0,07501 torr
• 20 Pa to torr? 20 Pa is equal to 0,15001 torr
• 50 Pa to torr? 50 Pa is equal to 0,37503 torr
• 100 Pa to torr? 100 Pa is equal to 0,75006 torr
• 200 Pa to torr? 200 Pa is equal to 1,50012 torr
• 500 Pa to torr? 500 Pa is equal to 3,75031 torr
• 1000 Pa to torr? 1000 Pa is equal to 7,50062 torr

Pa to mmHg - Pascal to Milimetre of mercury column pressure unit conversion

To convert pressure from Pascal (Pa) to Milimetre of mercury column (mmHg) multiply the pressure in Pascal (Pa) by 0,00750062.

• 1 Pa to mmHg? 1 Pa is equal to 0,0075 mmHg
• 2 Pa to mmHg? 2 Pa is equal to 0,015 mmHg
• 5 Pa to mmHg? 5 Pa is equal to 0,0375 mmHg
• 10 Pa to mmHg? 10 Pa is equal to 0,07501 mmHg
• 20 Pa to mmHg? 20 Pa is equal to 0,15001 mmHg
• 50 Pa to mmHg? 50 Pa is equal to 0,37503 mmHg
• 100 Pa to mmHg? 100 Pa is equal to 0,75006 mmHg
• 200 Pa to mmHg? 200 Pa is equal to 1,50012 mmHg
• 500 Pa to mmHg? 500 Pa is equal to 3,75031 mmHg
• 1000 Pa to mmHg? 1000 Pa is equal to 7,50062 mmHg

Pa to inHg - Pascal to Inch of mercury column pressure unit conversion

To convert pressure from Pascal (Pa) to Inch of mercury column (inHg) multiply the pressure in Pascal (Pa) by 0,0002953.

• 1 Pa to inHg? 1 Pa is equal to 0,0002953 inHg
• 2 Pa to inHg? 2 Pa is equal to 0,0005906 inHg
• 5 Pa to inHg? 5 Pa is equal to 0,0014765 inHg
• 10 Pa to inHg? 10 Pa is equal to 0,002953 inHg
• 20 Pa to inHg? 20 Pa is equal to 0,005906 inHg
• 50 Pa to inHg? 50 Pa is equal to 0,014765 inHg
• 100 Pa to inHg? 100 Pa is equal to 0,02953 inHg
• 200 Pa to inHg? 200 Pa is equal to 0,05906 inHg
• 500 Pa to inHg? 500 Pa is equal to 0,14765 inHg
• 1000 Pa to inHg? 1000 Pa is equal to 0,2953 inHg

Pa to PSF - Pascal to PSF pressure unit conversion

To convert pressure from Pascal (Pa) to PSF multiply the pressure in Pascal (Pa) by 0,0208855.

• 1 Pa to PSF? 1 Pa is equal to 0,0208855 PSF
• 2 Pa to PSF? 2 Pa is equal to 0,041771 PSF
• 5 Pa to PSF? 5 Pa is equal to 0,1044275 PSF
• 10 Pa to PSF? 10 Pa is equal to 0,208855 PSF
• 20 Pa to PSF? 20 Pa is equal to 0,41771 PSF
• 50 Pa to PSF? 50 Pa is equal to 1,044275 PSF
• 100 Pa to PSF? 100 Pa is equal to 2,08855 PSF
• 200 Pa to PSF? 200 Pa is equal to 4,1771 PSF
• 500 Pa to PSF? 500 Pa is equal to 10,44275 PSF
• 1000 Pa to PSF? 1000 Pa is equal to 20,8855 PSF
• 2400 Pa to PSF? 2400 Pa is equal to 50,1252 PSF
• 5400 Pa to PSF? 5400 Pa is equal to 112,7817 PSF

Pa to at - Pascal to Technical atmosphere pressure unit conversion

To convert pressure from Pascal (Pa) to Technical Atmosphere (at) multiply the pressure in Pascal (Pa) by 0,0000101972.

• 1 Pa to at? 1 Pa is equal to 0,0000102 at
• 2 Pa to at? 2 Pa is equal to 0,0000204 at
• 5 Pa to at? 5 Pa is equal to 0,000051 at
• 10 Pa to at? 10 Pa is equal to 0,000102 at
• 20 Pa to at? 20 Pa is equal to 0,0002039 at
• 50 Pa to at? 50 Pa is equal to 0,0005099 at
• 100 Pa to at? 100 Pa is equal to 0,0010197 at
• 200 Pa to at? 200 Pa is equal to 0,0020394 at
• 500 Pa to at? 500 Pa is equal to 0,0050986 at
• 1000 Pa to at? 1000 Pa is equal to 0,0101972 at