Inch of Water to Millibar Converter
EngineeringPascals, bar, psi and more.
How to convert Inch of Water to Millibar
Multiply the inch of water value by 2.49089: 1 inH₂O = 2.49089 mbar. Going the other way, 1 mbar = 0.401463 inH₂O, so divide by 2.49089 or use the Millibar to Inch of Water converter.
About these units
Inch of Water (inH₂O)
An inch of water is the pressure of a column of water 1 inch high, about 249 pascals. It is used for ventilation ducts and low gas pressures.
Millibar (mbar)
A millibar is one thousandth of a bar, exactly 100 pascals (1 hPa). It is the traditional unit on weather maps.
Inch of Water to Millibar conversion table
| Inch of Water (inH₂O) | Millibar (mbar) |
|---|---|
| 1 inH₂O | 2.49089 mbar |
| 2 inH₂O | 4.98178 mbar |
| 3 inH₂O | 7.47267 mbar |
| 4 inH₂O | 9.96356 mbar |
| 5 inH₂O | 12.4544 mbar |
| 10 inH₂O | 24.9089 mbar |
| 20 inH₂O | 49.8178 mbar |
| 25 inH₂O | 62.2723 mbar |
| 50 inH₂O | 124.545 mbar |
| 100 inH₂O | 249.089 mbar |
| 500 inH₂O | 1,245.44 mbar |
| 1,000 inH₂O | 2,490.89 mbar |
More inch of water conversions
- Inch of Water to Psi1 inH₂O = 0.0361273 psi
- Inch of Water to Ksi1 inH₂O = 3.6127e-5 ksi
- Inch of Water to Inch of Mercury1 inH₂O = 0.0735559 inHg
- Inch of Water to Foot of Water1 inH₂O = 0.0833333 ftH₂O
- Inch of Water to Pascal1 inH₂O = 249.089 Pa
- Inch of Water to Atmosphere1 inH₂O = 0.00245832 atm
- Inch of Water to Kgf per Sq Cm1 inH₂O = 0.00254 kgf/cm²
- Inch of Water to Exapascal1 inH₂O = 2.4909e-16 EPa
See every unit on the Pressure Converter.