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Pressure bar to psi

Convert pressure between bar, psi, kilopascals and atmospheres.

Built and maintained by The NumberPrism Editorial TeamEditorial policy

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Results update as you type. The formula and assumptions are explained below the calculator.

Pressure in psi

14.5 psi

Bar1 bar
Kilopascals100 kPa
Atmospheres0.9869 atm
Pounds per square inch14.5 psi

1 bar = 100 kPa = 14.5038 psi. Tyre and compressor gauges usually show gauge pressure, which is measured relative to the surrounding atmosphere.

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What does this tool do?

Bar and psi are both common pressure units, used from tyre gauges to industrial equipment. This converter also gives kilopascals and atmospheres so a reading can be checked against a different scale.

The Formula

psi = bar × 14.5037738; kPa = bar × 100; atm = bar ÷ 1.01325

Frequently Asked Questions

What is the difference between bar and psi?

One bar is 100,000 pascals and one psi is about 6,894.76 pascals, so 1 bar equals about 14.504 psi.

Is tyre pressure gauge or absolute?

Tyre gauges usually show gauge pressure, the difference from atmospheric pressure. Add about 1 bar (14.7 psi) to compare with absolute pressure figures.