Online calculator to convert pounds per square inch to millimeters of mercury (psi to mmHg) with formulas, examples, and tables. Our conversions provide a quick and easy way to convert between Pressure units.
Conversion Calculator
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Convert Psi to mmHg
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Conversion Definitions
The following is a list of definitions relating to conversions between psi and mmHg.
What is pounds per square inch (psi)?
Pounds per square inch (or pound-force per square inch) is a non-SI unit of Pressure. The symbol for pounds per square inch is psi or lbf/in2. There are 0.0193368 psi in a mmHg.
What is millimeters of mercury (mmHg)?
Millimeters of mercury is a non-SI unit of Pressure. The symbol for millimeters of mercury is mmHg. There are 51.71493256 mmHg in a psi.
Conversion Formula
Let's take a closer look at the conversion formula so that you can do these conversions yourself with a calculator or with an old-fashioned pencil and paper.
The formula to convert from psi to mmHg is:
mmHg = psi x 51.71493256
Conversion Example
Next, let's look at an example showing the work and calculations that are involved in converting from pounds per square inch to millimeters of mercury (psi to mmHg).
Psi to mmHg Conversion Example
Task: Convert 8 psi to mmHg (show work) Formula: psi x 51.71493256 = mmHg Calculations: 8 psi x 51.71493256 = 413.7195 mmHg Result: 8 psi is equal to 413.7195 mmHg
Conversion Table
For quick reference purposes, below is a conversion table that you can use to convert from psi to mmHg.
Psi to mmHg Conversion Chart
| pounds per square inch (psi) | millimeters of mercury (mmHg) |
|---|---|
| 1 psi | 51.7149 mmHg |
| 2 psi | 103.4299 mmHg |
| 3 psi | 155.1448 mmHg |
| 4 psi | 206.8597 mmHg |
| 5 psi | 258.5747 mmHg |
| 6 psi | 310.2896 mmHg |
| 7 psi | 362.0045 mmHg |
| 8 psi | 413.7195 mmHg |
| 9 psi | 465.4344 mmHg |
| 10 psi | 517.1493 mmHg |
| 20 psi | 1,034.2987 mmHg |
| 30 psi | 1,551.448 mmHg |
| 40 psi | 2,068.5973 mmHg |
| 50 psi | 2,585.7466 mmHg |
| 75 psi | 3,878.6199 mmHg |
| 100 psi | 5,171.4933 mmHg |
| 250 psi | 12,928.7331 mmHg |
| 500 psi | 25,857.4663 mmHg |
| 750 psi | 38,786.1994 mmHg |
| 1,000 psi | 51,714.9326 mmHg |
| 2,500 psi | 129,287.3314 mmHg |
| 5,000 psi | 258,574.6628 mmHg |
| 7,500 psi | 387,861.9942 mmHg |
| 10,000 psi | 517,149.3256 mmHg |
| 25,000 psi | 1,292,873.314 mmHg |
| 50,000 psi | 2,585,746.628 mmHg |
| 75,000 psi | 3,878,619.942 mmHg |
| 100,000 psi | 5,171,493.256 mmHg |
| 250,000 psi | 12,928,733.14 mmHg |
Related Units
This table provides a summary of the Pressure units within their respective measurement systems.
| Unit | Symbol | Measurement System |
|---|---|---|
| pascal | Pa | International System of Units (SI) |
| kilopascal | kPa | International System of Units (SI) |
| megapascal | MPa | International System of Units (SI) |
| atmosphere | atm | Non-SI (International) |
| pounds per square inch | psi or lbf/in2 | Non-SI (International) |
| millimeters of mercury | mmHg | Non-SI (International) |
| bar | bar | Non-SI (International) |
| torr | Torr | Non-SI (International) |
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