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 inch of mercury?

Inch of mercury (inHg) is a pressure unit representing the pressure exerted by a one-inch column of mercury. It is used in aviation altimetry, barometric pressure readings, and vacuum measurements in the United States.

Worked examples

1 pound per square inch = 2.03602046 inch of mercury

1 inch of mercury = 3,386.389 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