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 millibar?

A millibar is a pressure unit equal to one thousandth of a bar. It is the standard unit for atmospheric pressure in meteorology and weather forecasting, particularly in aviation and marine contexts.

Worked examples

1 pound per square inch = 68.94757293 millibar

1 millibar = 100 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