Convert inch of water column to inch of mercury
1 in w.g. = 0.07355591303 inHg
1 in w.g. = 0.0736 inHg
1 in w.g. in every pressure unit
| pascal | 249 Pa |
| kilopascal | 0.249 kPa |
| megapascal | 0.000249 MPa |
| bar | 0.00249 bar |
| atmosphere | 0.00246 atm |
| millimeter of mercury | 1.87 mmHg |
| pound per square inch | 0.0361 psi |
| foot of water column | 0.0833 ft H₂O |
| gigapascal | 2.49e-07 GPa |
| kip per square inch | 0.0000361 ksi |
| inch of mercury | 0.0736 inHg |
| inch of water column | 1 in w.g. |
How the conversion works
Multiply by 0.07355591303 to go from inch of water column to inch 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? inch of mercury to inch of water column — 1 inHg = 13.59510009 in w.g..
inch of water column to inch of mercury — common values
| 1 in w.g. | 0.073555913 inHg |
| 2 in w.g. | 0.14711183 inHg |
| 3 in w.g. | 0.22066774 inHg |
| 5 in w.g. | 0.36777957 inHg |
| 10 in w.g. | 0.73555913 inHg |
| 15 in w.g. | 1.1033387 inHg |
| 20 in w.g. | 1.4711183 inHg |
| 25 in w.g. | 1.8388978 inHg |
| 50 in w.g. | 3.6777957 inHg |
| 75 in w.g. | 5.5166935 inHg |
| 100 in w.g. | 7.3555913 inHg |
| 250 in w.g. | 18.388978 inHg |
| 500 in w.g. | 36.777957 inHg |
| 1000 in w.g. | 73.555913 inHg |
Other pressure conversions
Pa → inHgkPa → inHgMPa → inHgbar → inHgatm → inHgpsi → inHgmmHg → inHgft H₂O → inHg