Pressure Converter

Use this tool to convert between different units of pressure, such as Pascal, Bar, PSI, and more.

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Common Pressure Conversions

bar to PSI bar → PSI
PSI to bar PSI → bar
Pascal to Bar Pa → bar
atm to Pascal atm → Pa

What is Pressure Conversion?

Pressure conversion is the process of converting pressure measurements from one unit to another. Our pressure converter tool supports multiple units including Pascal, Bar, PSI (pounds per square inch), and Atmosphere, making it easy to switch between metric and imperial systems for engineering, meteorology, industrial applications, and tire pressure monitoring.

The Pascal (Pa) is the SI unit of pressure, while Bar is commonly used in meteorology and engineering. PSI is primarily used in the United States for tire pressure and industrial applications. Atmosphere represents the standard atmospheric pressure at sea level. Quick conversion between these units is essential for automotive maintenance, weather forecasting, industrial processes, and scientific research.

Simply enter your value in the "From" field, select the original unit, choose your target unit in the "To" field, and the converter will instantly display the converted result along with the conversion formula.

Pressure Conversion Examples

Tire Pressure Example

Converting tire pressures:

  • 2 bar = 29.01 PSI
  • 35 PSI = 2.41 bar
  • 2.5 bar = 36.26 PSI

Weather Example

Converting atmospheric pressure:

  • 1,013 hPa = 1.013 bar
  • 1 bar = 14.50 PSI
  • 1 atm = 101,325 Pa

Industrial Example

Converting industrial pressure readings:

  • 100 kPa = 1 bar
  • 50 PSI = 344.74 kPa
  • 5 bar = 500 kPa

Frequently Asked Questions

How do I convert bar to PSI?

To convert bar to PSI, multiply the bar value by 14.5038. For example, 2 bar × 14.5038 = 29.01 PSI.

What is standard atmospheric pressure?

Standard atmospheric pressure at sea level is approximately 1 atm (atmosphere), which equals 101,325 Pa (Pascal), 1.01325 bar, or 14.696 PSI.

How do I convert PSI to Pascal?

To convert PSI to Pascal, multiply the PSI value by 6,894.76. For example, 30 PSI × 6,894.76 = 206,843 Pa.

How many Pascals are in a bar?

One bar equals exactly 100,000 Pascals. This is a standard conversion used in meteorology and engineering.

What is the formula for converting kPa to bar?

To convert kilopascals to bar, divide the kPa value by 100. For example, 250 kPa ÷ 100 = 2.5 bar.