Inch of Mercury to Inch of Water Converter
EngineeringPascals, bar, psi and more.
How to convert Inch of Mercury to Inch of Water
Multiply the inch of mercury value by 13.5951: 1 inHg = 13.5951 inH₂O. Going the other way, 1 inH₂O = 0.0735559 inHg, so divide by 13.5951 or use the Inch of Water to Inch of Mercury converter.
About these units
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 (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 to Inch of Water conversion table
| Inch of Mercury (inHg) | Inch of Water (inH₂O) |
|---|---|
| 1 inHg | 13.5951 inH₂O |
| 2 inHg | 27.1902 inH₂O |
| 3 inHg | 40.7853 inH₂O |
| 4 inHg | 54.3804 inH₂O |
| 5 inHg | 67.9755 inH₂O |
| 10 inHg | 135.951 inH₂O |
| 20 inHg | 271.902 inH₂O |
| 25 inHg | 339.878 inH₂O |
| 50 inHg | 679.755 inH₂O |
| 100 inHg | 1,359.51 inH₂O |
| 500 inHg | 6,797.55 inH₂O |
| 1,000 inHg | 13,595.1 inH₂O |
More inch of mercury conversions
- Inch of Mercury to Psi1 inHg = 0.491154 psi
- Inch of Mercury to Ksi1 inHg = 0.000491154 ksi
- Inch of Mercury to Foot of Water1 inHg = 1.13292 ftH₂O
- Inch of Mercury to Pascal1 inHg = 3,386.39 Pa
- Inch of Mercury to Atmosphere1 inHg = 0.0334211 atm
- Inch of Mercury to Kgf per Sq Cm1 inHg = 0.0345316 kgf/cm²
- Inch of Mercury to Exapascal1 inHg = 3.3864e-15 EPa
See every unit on the Pressure Converter.