Mmhg to Psi ConverterRight in Your Browser

Convert millimeters of mercury (mmHg) to pounds per square inch (psi). The millimeter of mercury (mmHg) survives from mercury barometers — still the unit of blood pressure and vacuum work. Psi (pounds per square inch) is the US pressure unit for tires, air compressors and plumbing. Everything is calculated locally in your browser — no server, and it works offline.

equals

0.0193368 psi

in pounds per square inch (pound per square inch)

To convert millimeters of mercury to pounds per square inch, multiply the millimeter of mercury value by 0.0193368.

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Mmhg to Psi Chart

Millimeters of mercury (mmHg)Pounds per square inch (psi)
10.0193368
20.0386736
30.0580103
40.0773471
50.0966839
100.193368
200.386736
500.966839
1001.93368

Frequently Asked Questions

How many pounds per square inch are in a millimeter of mercury?

One millimeter of mercury equals 0.0193368 pounds per square inch (1 mmHg = 0.0193368 psi). So to go from millimeters of mercury to pounds per square inch, multiply the millimeter of mercury value by 0.0193368.

What is the formula to convert millimeters of mercury to pounds per square inch?

To convert millimeters of mercury to pounds per square inch, multiply the millimeter of mercury value by 0.0193368. For example, 10 mmHg is 0.193368 psi.

What is 120 millimeters of mercury in pounds per square inch?

120 millimeters of mercury — a healthy systolic blood pressure — is 2.32041 pounds per square inch. The converter above works for any value, entirely in your browser.

Is the millimeter of mercury to pound per square inch conversion exact?

The factor used here is the defined value: 1 mmHg = 0.01933677746 psi. Results are rounded to six significant digits for readability, so for high-precision work use the full factor.

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