Convert inch of mercury to pascal
1 inHg = 3,386.38864 Pa
1 inHg = 3,386.4 Pa
1 inHg in every pressure unit
| microbar | 33,864 μbar |
| barye | 33,864 Ba |
| millitorr | 25,400 mTorr |
| pascal | 3,386.4 Pa |
| millimeter of water column | 345.32 mmH₂O |
| pound per square foot | 70.726 lb/ft² |
| centimeter of water column | 34.532 cmH₂O |
| hectopascal | 33.864 hPa |
| millibar | 33.864 mbar |
| torr | 25.4 Torr |
| millimeter of mercury | 25.4 mmHg |
| inch of water column | 13.595 in w.g. |
| kilopascal | 3.3864 kPa |
| foot of water column | 1.1329 ft H₂O |
| inch of mercury | 1 inHg |
| pound per square inch | 0.49115 psi |
| meter of water column | 0.34532 m H₂O |
| decibar | 0.33864 dbar |
| kilogram-force per square centimeter | 0.034532 kgf/cm² |
| bar | 0.033864 bar |
| atmosphere | 0.033421 atm |
| megapascal | 0.0033864 MPa |
| kip per square inch | 0.00049115 ksi |
| gigapascal | 0.0000033864 GPa |
| million pounds per square inch | 4.9115e-07 Mpsi |
How the conversion works
Multiply by 3,386.38864 to go from inch of mercury to pascal, 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? pascal to inch of mercury — 1 Pa = 0.000295299833 inHg.
inch of mercury to pascal — common values
| 1 inHg | 3,386.3886 Pa |
| 2 inHg | 6,772.7773 Pa |
| 3 inHg | 10,159.166 Pa |
| 5 inHg | 16,931.943 Pa |
| 10 inHg | 33,863.886 Pa |
| 15 inHg | 50,795.83 Pa |
| 20 inHg | 67,727.773 Pa |
| 25 inHg | 84,659.716 Pa |
| 50 inHg | 169,319.43 Pa |
| 75 inHg | 253,979.15 Pa |
| 100 inHg | 338,638.86 Pa |
| 250 inHg | 846,597.16 Pa |
| 500 inHg | 1,693,194.3 Pa |
| 1000 inHg | 3,386,388.6 Pa |