How many millimeters of mercury are in 1 pound per square inch?

1 pound per square inch equals 51.7149 mmHg.

How do I convert millimeters of mercury back to pounds per square inch?

Use the reverse converter: 1 millimeter of mercury equals 0.0193368 psi.

Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.

To convert pounds per square inch to millimeters of mercury, multiply the value by 51.7149252.

mmHg = psi × 51.7149252

Convert 5 psi to mmHg:

5 psi × 51.7149252 = 258.575 mmHg

Pound Per Square Inch (psi): Used for tyre and industrial pressure in the US. About 6,894.757 pascals.
Millimeter Of Mercury (mmHg): Used for blood pressure and vacuum measurement. About 133.322 pascals, from mercury barometers.

How do I convert pounds per square inch to millimeters of mercury?: To convert pounds per square inch to millimeters of mercury, multiply the value by 51.7149252.
How many millimeters of mercury are in 1 pound per square inch?: 1 pound per square inch equals 51.7149 mmHg.
How many millimeters of mercury are in 10 pounds per square inch?: 10 psi equals 517.149 mmHg.
How do I convert millimeters of mercury back to pounds per square inch?: Use the reverse converter: 1 millimeter of mercury equals 0.0193368 psi.
Is this converter accurate?: Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.