Skip to content
Engyna

Convert millimeters of mercury to pounds per square inch

Convert millimeters of mercury (mmHg) to pounds per square inch (psi). 1 mmHg = 0.0193368 psi, and 1 psi = 51.7149 mmHg.

120 mmHg = 2.32041 psi

mmHg to PSI formula

psi = mmHg × 0.01933677746

Multiply the number of millimeters of mercury by 0.01933677746.

Example: To convert 120 mmHg to pounds per square inch: 120 × 0.01933677746 = 2.32041 psi.

Quick answers

What is 120 mmHg in pounds per square inch?
120 mmHg = 2.32041 psi
What is 760 mmHg in pounds per square inch?
760 mmHg = 14.696 psi

mmHg to PSI conversion table

PSI to mmHg table
millimeters of mercury (mmHg)pounds per square inch (psi)
1 mmHg0.0193368 psi
10 mmHg0.193368 psi
50 mmHg0.966839 psi
80 mmHg1.54694 psi
90 mmHg1.74031 psi
100 mmHg1.93368 psi
110 mmHg2.12705 psi
120 mmHg2.32041 psi
130 mmHg2.51378 psi
140 mmHg2.70715 psi
160 mmHg3.09388 psi
180 mmHg3.48062 psi
760 mmHg14.696 psi

Frequently asked questions

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

There are 51.7149 millimeters of mercury in a pound per square inch (1 psi = 51.7149 mmHg), so 1 mmHg = 0.0193368 psi.

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

Multiply the number of millimeters of mercury by 0.01933677746. To convert 120 mmHg to pounds per square inch: 120 × 0.01933677746 = 2.32041 psi.

Is the mmHg to PSI conversion exact?

Yes. Both units are defined exactly, so 1 millimeter of mercury is exactly 0.0193367774595 pounds per square inch. Results on this page are rounded to six significant digits; pick more decimals in the converter if you need them.

What is 120 mmHg in pounds per square inch?

120 mmHg = 2.32041 psi.

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

Use the reverse relationship: 1 psi = 51.7149 mmHg. The PSI to mmHg page has a converter and a full table.

More pressure conversions

All unit conversions