Bars to Pounds per square inch converter

To convert bars to pounds per square inch, enter the value in the first field. The result in pounds per square inch is calculated automatically using the exact conversion factor.

1 bar ≈ 14.503773773 psi
1 psi ≈ 0.0689475729317 bar

Formula: psi ≈ bar × 14.503773773
bar ≈ psi × 0.0689475729317

Definitions: 1 bar = 100000 Pa; 1 psi = 8896443230521/1290320000 Pa

The bar equals exactly 100,000 pascals, which is very close to atmospheric pressure at sea level. It is used for tire and gas pressure in Europe, for scuba tanks (water adds about one bar per 10 meters of depth), and in hydraulics and boilers.

The pound per square inch (psi) is the customary United States unit of pressure, one pound-force per square inch. It is used for tire pressure, air compressors and water and gas pressure in the United States, and for tires in the United Kingdom too.

See the conversion table with commonly used values, handy for quick reference or study.