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  2. Pascal (unit) - Wikipedia

    en.wikipedia.org/wiki/Pascal_(unit)

    The pascal (Pa) or kilopascal (kPa) as a unit of pressure measurement is widely used throughout the world and has largely replaced the pounds per square inch (psi) unit, except in some countries that still use the imperial measurement system or the US customary system, including the United States.

  3. Orders of magnitude (pressure) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(pressure)

    100 Pa Pressure due to direct impact of a strong breeze (~28 mph or 45 km/h) [27] [28] [31] 120 Pa Pressure from the weight of a U.S. quarter lying flat [32] [33] 133 Pa 1 torr ≈ 1 mmHg [34] ±200 Pa ~140 dB: Threshold of pain pressure level for sound where prolonged exposure may lead to hearing loss [citation needed] ±300 Pa ±0.043 psi

  4. Airwatt - Wikipedia

    en.wikipedia.org/wiki/Airwatt

    Airwatt or air watt is a unit of measurement that represents the true suction power of vacuum cleaners. It is calculated by multiplying the airflow (in cubic metres per second) by the suction pressure (in pascals).

  5. Ground pressure - Wikipedia

    en.wikipedia.org/wiki/Ground_pressure

    Pressure is measured in the SI unit of pascals (Pa). Average ground pressure can be calculated using the standard formula for average pressure: P = F / A . [ 2 ] In an idealised case, i.e. a static , uniform net force normal to level ground, this is simply the object's weight divided by contact area.

  6. Pound per square inch - Wikipedia

    en.wikipedia.org/wiki/Pound_per_square_inch

    As the pascal is a very small unit relative to industrial pressures, the kilopascal is commonly used. 1000 kPa ≈ 145 lbf/in 2. ... 1 Pa — 1 Pa = 10 −5 bar

  7. Conversion of units - Wikipedia

    en.wikipedia.org/wiki/Conversion_of_units

    the pressure P is in pascals (Pa) the volume V is in cubic metres (m 3) the amount of substance n is in moles (mol) the universal gas constant R is 8.3145 Pa⋅m 3 /(mol⋅K) the temperature T is in kelvins (K)

  8. Kilogram-force per square centimetre - Wikipedia

    en.wikipedia.org/wiki/Kilogram-force_per_square...

    In SI units, the unit is converted to the SI derived unit pascal (Pa), which is defined as one newton per square metre (N/m 2). A newton is equal to 1 kg⋅m/s 2 , and a kilogram-force is 9.80665 N, [ 3 ] meaning that 1 kgf/cm 2 equals 98.0665 kilopascals (kPa).

  9. List of conversion factors - Wikipedia

    en.wikipedia.org/wiki/List_of_conversion_factors

    ≈ 6 894.757 Pa⋅s: Kinematic viscosity. Kinematic viscosity; Name of unit Symbol Definition Relation to SI units square foot per second: ft 2 /s ≡ 1 ft 2 /s