What is pound per square inch?

Pound per square inch (psi) is an imperial pressure unit widely used in the United States for tire inflation, hydraulic system pressures, gas cylinder ratings, and plumbing specifications.

What is bar?

A bar is a pressure unit approximately equal to standard atmospheric pressure, or 100,000 pascals. It is widely used in meteorology, hydraulics, diving equipment, and industrial pressure gauges.

Worked examples

1 pound per square inch = 0.06894757 bar

1 bar = 100,000 pascal

More Pressure conversions

• Convert pound per square inch to pascal
• Convert pound per square inch to kilopascal
• Convert pound per square inch to bar
• Convert pound per square inch to atmosphere
• Convert pound per square inch to millibar
• Convert pound per square inch to hectopascal
• Convert pound per square inch to torr
• Convert pound per square inch to inch of mercury
• Convert pound per square inch to megapascal