Convert inch of water column to pascal
1 in w.g. = 249.0889083 Pa
1 in w.g. = 249 Pa
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 249.0889083 to go from inch of water column to pascal, 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? pascal to inch of water column — 1 Pa = 0.004014630787 in w.g..
inch of water column to pascal — common values
| 1 in w.g. | 249.08891 Pa |
| 2 in w.g. | 498.17782 Pa |
| 3 in w.g. | 747.26672 Pa |
| 5 in w.g. | 1,245.4445 Pa |
| 10 in w.g. | 2,490.8891 Pa |
| 15 in w.g. | 3,736.3336 Pa |
| 20 in w.g. | 4,981.7782 Pa |
| 25 in w.g. | 6,227.2227 Pa |
| 50 in w.g. | 12,454.445 Pa |
| 75 in w.g. | 18,681.668 Pa |
| 100 in w.g. | 24,908.891 Pa |
| 250 in w.g. | 62,272.227 Pa |
| 500 in w.g. | 124,544.45 Pa |
| 1000 in w.g. | 249,088.91 Pa |