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Pressure Converter

Convert pressure instantly between PSI, bar, pascal, and standard atmospheres.

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Value

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Result

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1 PSI equals

0 Bar

How to Calculate & Formula Details

Mathematical Model Formula1 psi = 6894.75729 pascals. 1 bar = 100,000 pascals. 1 atm = 101,325 pascals.

A pressure converter is useful for tire inflation, weather readings, and engineering, letting you switch between PSI, bar, pascal, and atmospheres.

Key Conversion Factors

1 psi = 6,894.75729 pascals
1 bar = 100,000 pascals ≈ 14.5038 psi
1 atmosphere (atm) = 101,325 pascals

Frequently Asked Questions

How many PSI is one bar?

One bar is approximately 14.5038 PSI.

What pressure unit is standard atmospheric pressure?

Standard atmospheric pressure is 1 atm, equal to 101,325 pascals or about 14.696 PSI.

Why does tire pressure use PSI?

PSI (pounds per square inch) is the traditional imperial pressure unit used in the US automotive industry, while most of the world uses bar or kPa for tire pressure.

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