Convert psi to mmHg
pounds per square inch to millimeters of mercury. Enter a value to convert, or use the psi to mmHg chart further down the page.
1 pound per square inch equals 51.7149 millimeters of mercury. Going the other way, 1 millimeter of mercury = 0.0193368 pounds per square inch.
How to convert psi to mmHg
To convert pounds per square inch to millimeters of mercury, multiply the pound per square inch value by 51.7149252. You can also divide by 0.01933677746 to get the same answer.
mmHg = psi × 51.7149252
Worked example
Convert 15 psi to millimeters of mercury:
15 psi = 775.724 mmHg
psi to mmHg conversion chart
Use this psi to mmHg table for quick reference without typing anything.
| pounds per square inch (psi) | millimeters of mercury (mmHg) |
|---|---|
| 0.01 psi | 0.517149 mmHg |
| 0.1 psi | 5.17149 mmHg |
| 1 psi | 51.7149 mmHg |
| 2 psi | 103.43 mmHg |
| 3 psi | 155.145 mmHg |
| 5 psi | 258.575 mmHg |
| 10 psi | 517.149 mmHg |
| 20 psi | 1,034.3 mmHg |
| 50 psi | 2,585.75 mmHg |
| 100 psi | 5,171.49 mmHg |
| 1,000 psi | 51,714.9 mmHg |
What is a pound per square inch?
One psi is one pound-force per square inch, about 6,894.76 pascals. It is the standard pressure unit for tyres and hydraulics in the US.
What is a millimeter of mercury?
A millimeter of mercury is about 133.32 pascals. It is the unit used for blood pressure readings.
Frequently asked questions
How many mmHg are in a pound per square inch?
1 psi equals 51.7149 mmHg. Going the other way, 1 mmHg is 0.0193368 psi.
How do you convert psi to mmHg?
To convert pounds per square inch to millimeters of mercury, multiply the pound per square inch value by 51.7149252. You can also divide by 0.01933677746 to get the same answer.
What is 10 psi in mmHg?
10 psi equals 517.149 mmHg. The conversion chart on this page lists the other values people look up most often.
Related pressure conversions
Convert psi to other units
Convert other units to mmHg
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