Pounds per square inch to Millimeters of mercury converter

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

1 psi ≈ 51.7149252039 mmHg
1 mmHg ≈ 0.0193367774595 psi

Formula: mmHg ≈ psi × 51.7149252039
psi ≈ mmHg × 0.0193367774595

Definitions: 1 psi = 8896443230521/1290320000 Pa; 1 mmHg = 133.322387415 Pa

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.

The millimeter of mercury (mmHg) is the pressure at the base of a one-millimeter column of mercury. It is the unit of blood pressure in medicine, for example 120/80 mmHg, and is also used for some barometric and vacuum readings.

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