Convert inch of mercury to pascal
1 inHg = 3,386.38864 Pa
1 inHg = 3,390 Pa
1 inHg in every pressure unit
| pascal | 3,390 Pa |
| kilopascal | 3.39 kPa |
| megapascal | 0.00339 MPa |
| bar | 0.0339 bar |
| atmosphere | 0.0334 atm |
| millimeter of mercury | 25.4 mmHg |
| pound per square inch | 0.491 psi |
| foot of water column | 1.13 ft H₂O |
| gigapascal | 0.00000339 GPa |
| kip per square inch | 0.000491 ksi |
| inch of mercury | 1 inHg |
| inch of water column | 13.6 in w.g. |
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 |