Convert pound per square inch to millimeter of mercury
1 psi = 51.7149252 mmHg
1 psi = 51.7 mmHg
1 psi in every pressure unit
| pascal | 6,890 Pa |
| kilopascal | 6.89 kPa |
| megapascal | 0.00689 MPa |
| bar | 0.0689 bar |
| atmosphere | 0.068 atm |
| millimeter of mercury | 51.7 mmHg |
| pound per square inch | 1 psi |
| foot of water column | 2.31 ft H₂O |
| gigapascal | 0.00000689 GPa |
| kip per square inch | 0.001 ksi |
| inch of mercury | 2.04 inHg |
| inch of water column | 27.7 in w.g. |
How the conversion works
Multiply by 51.7149252 to go from pound per square inch to millimeter of mercury, or divide by it to go back. Every conversion on this site routes through the SI value (Pa) rather than a table of pairwise factors, so a round-trip returns exactly what you started with.
Going the other way? millimeter of mercury to pound per square inch — 1 mmHg = 0.01933677746 psi.
pound per square inch to millimeter of mercury — common values
| 1 psi | 51.714925 mmHg |
| 2 psi | 103.42985 mmHg |
| 3 psi | 155.14478 mmHg |
| 5 psi | 258.57463 mmHg |
| 10 psi | 517.14925 mmHg |
| 15 psi | 775.72388 mmHg |
| 20 psi | 1,034.2985 mmHg |
| 25 psi | 1,292.8731 mmHg |
| 50 psi | 2,585.7463 mmHg |
| 75 psi | 3,878.6194 mmHg |
| 100 psi | 5,171.4925 mmHg |
| 250 psi | 12,928.731 mmHg |
| 500 psi | 25,857.463 mmHg |
| 1000 psi | 51,714.925 mmHg |
Other pressure conversions
Pa → mmHgkPa → mmHgMPa → mmHgbar → mmHgatm → mmHgpsi → Papsi → kPapsi → MPa