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Pressure Units Conversion

Convert a pressure value from one unit to another


Enter the pressure below that you want to convert:

Conversion of Pressure Units

Pressure units are crucial in many aspects of science, engineering, and daily life. Whether it's measuring the air pressure in a tire, tracking weather changes, or performing complex calculations in fluid dynamics, understanding and being able to convert pressure units is of great importance.

Commonly Used Pressure Units

There are various units to measure pressure, but here are some of the most common:

  • Bar: Although not part of the SI system, the bar is widely used in industry and in weather forecasting. 1 bar is approximately equal to the atmospheric pressure at sea level.
  • Atmosphere (atm): This unit is based on the average atmospheric pressure at sea level. It is often used in chemistry and in weather forecasting.
  • Pound per square inch (psi): This unit is widely used in the United States and in the engineering sector. It is especially useful for measuring relatively low pressures, such as the air pressure in car tires.
  • Kilopascal (kPa): The kilopascal is the SI unit for pressure. It is widely used in science and engineering.

Conversion of Pressure Units

To convert pressure units, you need to know the conversion factors between the units. These factors are based on physical constants and are therefore universal. When converting pressure units, it's important to be accurate, as small differences in pressure can have large effects in certain applications.

Conversion Table

bar atm psi kpa
0.50 0.49 7.25 50
1.00 0.99 14.50 100
1.10 1.09 15.95 110
1.20 1.18 17.40 120
4.90 4.84 71.07 490
5.00 4.93 72.52 500

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