Convert inch of mercury to inch of water column
1 inHg = 13.59510009 in w.g.
1 inHg = 13.6 in w.g.
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 13.59510009 to go from inch of mercury to inch of water column, 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? inch of water column to inch of mercury — 1 in w.g. = 0.07355591303 inHg.
inch of mercury to inch of water column — common values
| 1 inHg | 13.5951 in w.g. |
| 2 inHg | 27.1902 in w.g. |
| 3 inHg | 40.7853 in w.g. |
| 5 inHg | 67.9755 in w.g. |
| 10 inHg | 135.951 in w.g. |
| 15 inHg | 203.9265 in w.g. |
| 20 inHg | 271.902 in w.g. |
| 25 inHg | 339.8775 in w.g. |
| 50 inHg | 679.755 in w.g. |
| 75 inHg | 1,019.6325 in w.g. |
| 100 inHg | 1,359.51 in w.g. |
| 250 inHg | 3,398.775 in w.g. |
| 500 inHg | 6,797.55 in w.g. |
| 1000 inHg | 13,595.1 in w.g. |
Other pressure conversions
Pa → in w.g.kPa → in w.g.MPa → in w.g.bar → in w.g.atm → in w.g.psi → in w.g.mmHg → in w.g.inHg → Pa