Convert pound per square inch to millimeter of mercury
1 psi = 51.7149252 mmHg
1 psi = 51.715 mmHg
1 psi in every pressure unit
| microbar | 68,948 μbar |
| barye | 68,948 Ba |
| millitorr | 51,715 mTorr |
| pascal | 6,894.8 Pa |
| millimeter of water column | 703.07 mmH₂O |
| pound per square foot | 144 lb/ft² |
| centimeter of water column | 70.307 cmH₂O |
| hectopascal | 68.948 hPa |
| millibar | 68.948 mbar |
| torr | 51.715 Torr |
| millimeter of mercury | 51.715 mmHg |
| inch of water column | 27.68 in w.g. |
| kilopascal | 6.8948 kPa |
| foot of water column | 2.3067 ft H₂O |
| inch of mercury | 2.036 inHg |
| pound per square inch | 1 psi |
| meter of water column | 0.70307 m H₂O |
| decibar | 0.68948 dbar |
| kilogram-force per square centimeter | 0.070307 kgf/cm² |
| bar | 0.068948 bar |
| atmosphere | 0.068046 atm |
| megapascal | 0.0068948 MPa |
| kip per square inch | 0.001 ksi |
| gigapascal | 0.0000068948 GPa |
| million pounds per square inch | 1.0000e-06 Mpsi |
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