Convert millimeter of mercury to inch of water column
1 mmHg = 0.5352401611 in w.g.
1 mmHg = 0.535 in w.g.
1 mmHg in every pressure unit
| pascal | 133 Pa |
| kilopascal | 0.133 kPa |
| megapascal | 0.000133 MPa |
| bar | 0.00133 bar |
| atmosphere | 0.00132 atm |
| millimeter of mercury | 1 mmHg |
| pound per square inch | 0.0193 psi |
| foot of water column | 0.0446 ft H₂O |
| gigapascal | 1.33e-07 GPa |
| kip per square inch | 0.0000193 ksi |
| inch of mercury | 0.0394 inHg |
| inch of water column | 0.535 in w.g. |
How the conversion works
Multiply by 0.5352401611 to go from millimeter 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 millimeter of mercury — 1 in w.g. = 1.868320191 mmHg.
millimeter of mercury to inch of water column — common values
| 1 mmHg | 0.53524016 in w.g. |
| 2 mmHg | 1.0704803 in w.g. |
| 3 mmHg | 1.6057205 in w.g. |
| 5 mmHg | 2.6762008 in w.g. |
| 10 mmHg | 5.3524016 in w.g. |
| 15 mmHg | 8.0286024 in w.g. |
| 20 mmHg | 10.704803 in w.g. |
| 25 mmHg | 13.381004 in w.g. |
| 50 mmHg | 26.762008 in w.g. |
| 75 mmHg | 40.143012 in w.g. |
| 100 mmHg | 53.524016 in w.g. |
| 250 mmHg | 133.81004 in w.g. |
| 500 mmHg | 267.62008 in w.g. |
| 1000 mmHg | 535.24016 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 → PammHg → kPa