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Pressure Units definitions

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  • Pascal
    SI unit for measuring force per unit area, named after a French mathematician, commonly abbreviated as Pa.
  • Atmosphere
    Non-SI unit for measuring force per unit area, widely used by chemists, equivalent to 760 mmHg.
  • Millimeters of Mercury
    Unit for measuring force per unit area, often used in laboratory settings, symbolized as mmHg.
  • Torr
    Unit for measuring force per unit area, numerically equal to millimeters of mercury.
  • Bar
    Non-SI unit for measuring force per unit area, equal to 1.01325 times atmospheric pressure.
  • Psi
    Unit for measuring force per unit area, stands for pounds per square inch, equal to 14.696 at standard conditions.
  • Force
    Physical quantity exerted by gas molecules, measured in newtons, acting on the walls of a container.
  • Area
    Surface over which force is distributed, measured in square meters in SI units.
  • Kilopascal
    Unit for measuring force per unit area, equal to 1,000 pascals, often abbreviated as kPa.
  • Pressure
    Physical quantity calculated as force divided by area, representing molecular impacts on container walls.
  • SI Unit
    Internationally accepted measurement standard, used for scientific quantities like force, area, and pressure.
  • Conversion Factor
    Numerical value used to relate different measurement units, such as 1 ATM equals 760 mmHg.
  • Gas Molecule
    Particle moving randomly within a container, responsible for exerting force on container walls.