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Bar to PSI Calculator

Convert pressure between bar and PSI for automotive and industrial use

Bar

PSI (Pounds per Square Inch)

📚 Examples, Formula, and How To

📝 Bar to PSI Formula

Bar to PSI

PSI = bar × 14.5038

Multiply the pressure in bar by 14.5038 to get PSI

PSI to Bar

bar = PSI ÷ 14.5038

Divide the pressure in PSI by 14.5038 to get bar

💡 Converting Bar to PSI

Example 1

Convert: 2 bar to PSI

Start with the conversion formula: PSI = bar × 14.5038

Substitute the value: PSI = 2 × 14.5038

Calculate: 2 × 14.5038 = 29.0076

Result:29.01 PSI

Example 2

Convert: 50 PSI to bar

Start with the conversion formula: bar = PSI ÷ 14.5038

Substitute the value: bar = 50 ÷ 14.5038

Calculate: 50 ÷ 14.5038 = 3.447

Result:3.45 bar

📊 Bar to PSI Conversion Table

Common Bar to PSI Conversions

Bar	PSI
0.5 bar	7.25 PSI
1 bar	14.50 PSI
1.5 bar	21.76 PSI
2 bar	29.01 PSI
2.5 bar	36.26 PSI
3 bar	43.51 PSI
4 bar	58.02 PSI
5 bar	72.52 PSI
10 bar	145.04 PSI

All values are rounded to 4 decimal places for practical use

⚙️ How to Convert Bar to PSI

Conversion Factor

1 bar equals 14.5038 PSI

This is the standard conversion factor for pressure measurements.

Bar to PSI

Multiply bar by 14.5038 to get PSI

Enter a value in the bar field to convert to PSI.

PSI to Bar

Divide PSI by 14.5038 to get bar

Enter a value in the PSI field to convert to bar.

📚 What are Bar and PSI?

📏 Bar(bar)

Definition:

A bar is a metric unit of pressure equal to 100,000 pascals. It is approximately equal to atmospheric pressure at sea level.

History:

The bar was introduced in 1909 and is widely used in meteorology and engineering throughout the world.

Common Uses:

Weather forecasting and atmospheric pressure
Automotive tire pressure in Europe
Industrial pressure systems
Hydraulic and pneumatic systems
Water pressure measurements

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Fun Fact:

One bar is very close to atmospheric pressure at sea level (1 bar = 0.98692 atm). Most weather maps show pressure in millibars (mbar)!

📏 PSI(PSI)

Definition:

PSI (Pounds per Square Inch) is an imperial unit of pressure representing the force in pounds applied over one square inch.

History:

PSI has been used since the development of steam engines and pressure gauges in the 18th and 19th centuries.

Common Uses:

Tire pressure in the United States
Water pressure in plumbing
Air compressor ratings
Gas pressure measurements
Industrial pressure specifications

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Fun Fact:

Normal tire pressure for most cars is around 32 PSI (2.2 bar). At sea level, atmospheric pressure is about 14.7 PSI!