Convert inch of mercury to bar
1 inHg = 0.0338638864 bar
1 inHg = 0.033864 bar
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 0.0338638864 to go from inch of mercury to bar, 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? bar to inch of mercury — 1 bar = 29.5299833 inHg.
inch of mercury to bar — common values
| 1 inHg | 0.033863886 bar |
| 2 inHg | 0.067727773 bar |
| 3 inHg | 0.10159166 bar |
| 5 inHg | 0.16931943 bar |
| 10 inHg | 0.33863886 bar |
| 15 inHg | 0.5079583 bar |
| 20 inHg | 0.67727773 bar |
| 25 inHg | 0.84659716 bar |
| 50 inHg | 1.6931943 bar |
| 75 inHg | 2.5397915 bar |
| 100 inHg | 3.3863886 bar |
| 250 inHg | 8.4659716 bar |
| 500 inHg | 16.931943 bar |
| 1000 inHg | 33.863886 bar |