Convert inch of water column to foot of water column
1 in w.g. = 0.08333333332 ft H₂O
1 in w.g. = 0.0833 ft H₂O
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 0.08333333332 to go from inch of water column to foot 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? foot of water column to inch of water column — 1 ft H₂O = 12 in w.g..
inch of water column to foot of water column — common values
| 1 in w.g. | 0.083333333 ft H₂O |
| 2 in w.g. | 0.16666667 ft H₂O |
| 3 in w.g. | 0.25 ft H₂O |
| 5 in w.g. | 0.41666667 ft H₂O |
| 10 in w.g. | 0.83333333 ft H₂O |
| 15 in w.g. | 1.25 ft H₂O |
| 20 in w.g. | 1.6666667 ft H₂O |
| 25 in w.g. | 2.0833333 ft H₂O |
| 50 in w.g. | 4.1666667 ft H₂O |
| 75 in w.g. | 6.25 ft H₂O |
| 100 in w.g. | 8.3333333 ft H₂O |
| 250 in w.g. | 20.833333 ft H₂O |
| 500 in w.g. | 41.666667 ft H₂O |
| 1000 in w.g. | 83.333333 ft H₂O |
Other pressure conversions
Pa → ft H₂OkPa → ft H₂OMPa → ft H₂Obar → ft H₂Oatm → ft H₂Opsi → ft H₂OmmHg → ft H₂OinHg → ft H₂O