Convert foot of water column to bar
1 ft H₂O = 0.029890669 bar
1 ft H₂O = 0.0299 bar
1 ft H₂O in every pressure unit
| pascal | 2,990 Pa |
| kilopascal | 2.99 kPa |
| megapascal | 0.00299 MPa |
| bar | 0.0299 bar |
| atmosphere | 0.0295 atm |
| millimeter of mercury | 22.4 mmHg |
| pound per square inch | 0.434 psi |
| foot of water column | 1 ft H₂O |
| gigapascal | 0.00000299 GPa |
| kip per square inch | 0.000434 ksi |
| inch of mercury | 0.883 inHg |
| inch of water column | 12 in w.g. |
How the conversion works
Multiply by 0.029890669 to go from foot of water column 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 foot of water column — 1 bar = 33.45525656 ft H₂O.
foot of water column to bar — common values
| 1 ft H₂O | 0.029890669 bar |
| 2 ft H₂O | 0.059781338 bar |
| 3 ft H₂O | 0.089672007 bar |
| 5 ft H₂O | 0.14945334 bar |
| 10 ft H₂O | 0.29890669 bar |
| 15 ft H₂O | 0.44836003 bar |
| 20 ft H₂O | 0.59781338 bar |
| 25 ft H₂O | 0.74726673 bar |
| 50 ft H₂O | 1.4945335 bar |
| 75 ft H₂O | 2.2418002 bar |
| 100 ft H₂O | 2.9890669 bar |
| 250 ft H₂O | 7.4726672 bar |
| 500 ft H₂O | 14.945334 bar |
| 1000 ft H₂O | 29.890669 bar |
Other pressure conversions
Pa → barkPa → barMPa → baratm → barpsi → barmmHg → barinHg → barft H₂O → Pa