Pressure Conversion Calculator

  • Enter the pressure value you want to convert.
  • Select the "From Unit" and "To Unit" for the conversion.
  • Click "Calculate" to perform the conversion and view the result.
  • The detailed calculation and formula will be displayed below the result.
  • Your calculation history will appear in the "Calculation History" section.
  • You can copy the result to the clipboard using the "Copy" button.
  • Click "Clear" to reset the input and result fields.
Calculation History

    A Pressure Conversion Calculator is an invaluable tool designed to convert pressure values from one unit to another. Pressure, a fundamental physical quantity, is defined as the force exerted per unit area. It’s widely used in various fields such as physics, engineering, chemistry, and meteorology. The need to convert pressure units arises because different industries and geographical regions adopt different units of measurement for pressure.

    Concept of Pressure

    Understanding Pressure

    Pressure is conceptually understood as the force applied perpendicular to the surface of an object per unit area over which that force is distributed. Mathematically, it is expressed as:

    Pressure (P) = Force (F) / Area (A)

    Units of Pressure

    The SI unit of pressure is the Pascal (Pa), equivalent to one Newton per square meter (N/m²). However, other units like Bar, PSI (pounds per square inch), Torr, and atmospheres (atm) are also commonly used.

    Pressure Conversion Calculator: Functionality and Usage

    Basic Functionality

    The Pressure Conversion Calculator allows users to seamlessly convert pressure values between different units. Users input the pressure in a known unit along with the unit they wish to convert to. The calculator then employs specific conversion factors to compute the equivalent pressure in the desired unit.

    Common Conversions

    The calculator can handle a variety of conversions. Some of the common ones include:

    • Pascal to Bar
    • Bar to PSI
    • PSI to Torr
    • Torr to Atmospheres
    • Atmospheres to Pascal

    Related Formulae

    Conversion between different units of pressure involves multiplying or dividing by a conversion factor specific to the units involved. Here are some standard conversion factors:

    1 Pa = 1e-5 Bar

    1 Bar = 14.5038 PSI

    1 PSI = 51.7149 Torr

    1 Torr = 1/760 Atmospheres

    1 Atmosphere = 101325 Pa

    Benefits of Using a Pressure Conversion Calculator

    Accuracy and Efficiency

    Manual conversions, especially for complex calculations, are prone to errors. A pressure conversion calculator ensures accuracy and saves time.


    These calculators are designed to handle a wide range of pressure units, making them versatile tools for professionals across various industries.


    Most pressure conversion calculators are designed with a user-friendly interface, making them accessible even to individuals not well-versed in pressure measurement concepts.

    Interesting Facts

    • The lowest pressure ever recorded on Earth was 870 hPa (hectopascals) during Typhoon Tip in the Pacific Ocean.
    • Pressure measurement is crucial in weather forecasting; low pressure signifies stormy weather, while high pressure indicates calm and sunny conditions.
    • Deep sea creatures can withstand pressures exceeding 1,000 atmospheres, showcasing nature’s fascinating adaptation to extreme conditions.


    The Pressure Conversion Calculator is a simple yet powerful tool that plays a vital role in various scientific and industrial applications. By providing an easy-to-use platform for converting between different pressure units, it enhances accuracy, efficiency, and consistency in measurements and analyses. Whether for academic purposes, industrial applications, or daily life scenarios, understanding and utilizing a pressure conversion calculator can significantly streamline processes and ensure precision in pressure-related calculations.

    Last Updated : 18 January, 2024

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