Inch of Water to Inch of Mercury Converter
EngineeringPascals, bar, psi and more.
How to convert Inch of Water to Inch of Mercury
Multiply the inch of water value by 0.0735559: 1 inH₂O = 0.0735559 inHg. Going the other way, 1 inHg = 13.5951 inH₂O, so divide by 0.0735559 or use the Inch of Mercury 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.
Inch of Mercury (inHg)
An inch of mercury is about 3,386 pascals. US weather reports and aircraft altimeters give barometric pressure in inHg, typically near 29.92.
Inch of Water to Inch of Mercury conversion table
| Inch of Water (inH₂O) | Inch of Mercury (inHg) |
|---|---|
| 1 inH₂O | 0.0735559 inHg |
| 2 inH₂O | 0.147112 inHg |
| 3 inH₂O | 0.220668 inHg |
| 4 inH₂O | 0.294224 inHg |
| 5 inH₂O | 0.36778 inHg |
| 10 inH₂O | 0.735559 inHg |
| 20 inH₂O | 1.47112 inHg |
| 25 inH₂O | 1.8389 inHg |
| 50 inH₂O | 3.6778 inHg |
| 100 inH₂O | 7.35559 inHg |
| 500 inH₂O | 36.778 inHg |
| 1,000 inH₂O | 73.5559 inHg |
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 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.