QUICK CONVERSION
Inches of water column to Pascals
Enter a value to convert inches of water column to pascals, or use the right-hand input to convert in reverse.
How to convert inches of water column to pascals
Multiply the number of inches of water column by 249.08891 to get pascals.
Formula: Pascals = Inches of water column × 249.08891.
Common conversion values
| Inches of water column (inH₂O (4 °C)) | Pascals (Pa) |
|---|---|
| 0 | 0 |
| 1 | 249.08891 |
| 2 | 498.17782 |
| 5 | 1,245.44455 |
| 10 | 2,490.8891 |
| 20 | 4,981.7782 |
| 25 | 6,227.22275 |
| 50 | 12,454.4455 |
| 100 | 24,908.891 |
| 500 | 124,544.455 |
| 1000 | 249,088.91 |
Important measurement notes
Pressure values are absolute unit magnitudes; gauge versus absolute pressure depends on the source measurement, not the unit symbol.
Related conversions
Figures are rounded for display. For regulated or safety-critical work, confirm the relevant measurement standard and precision.