Pounds per square inch to Inches of water Converter
1 pound per square inch (psi) equals 27.6799047102 inches of water (inH₂O).
Quick answer
- 1 pound per square inch = 27.67990471 inches of water
- 1 inch of water = 0.036127292 pounds per square inch
- Formula: inH₂O = psi × 27.6799047102
1 pound per square inch = 27.67990471 inches of water
How to convert pounds per square inch to inches of water
inH₂O = psi × 27.6799047102
To convert pounds per square inch to inches of water, multiply the number of pounds per square inch by 27.6799047102.
Example: 10 psi to inH₂O
- Start with the value in pounds per square inch: 10 psi.
- Multiply by 27.6799047102: 10 × 27.6799047102 = 276.7990471.
- Result: 10 pounds per square inch = 276.7990471 inches of water.
Going the other way, 1 inch of water = 0.036127292 pounds per square inch, so to convert inches of water back to pounds per square inch you divide by the same number. See inches of water to pounds per square inch.
Pounds per square inch to inches of water conversion table
| Pounds per square inch (psi) | Inches of water (inH₂O) |
|---|---|
| 0.5 psi | 13.83995236 inH₂O |
| 1 psi | 27.67990471 inH₂O |
| 2 psi | 55.35980942 inH₂O |
| 3 psi | 83.03971413 inH₂O |
| 4 psi | 110.7196188 inH₂O |
| 5 psi | 138.3995236 inH₂O |
| 6 psi | 166.0794283 inH₂O |
| 7 psi | 193.759333 inH₂O |
| 8 psi | 221.4392377 inH₂O |
| 9 psi | 249.1191424 inH₂O |
| 10 psi | 276.7990471 inH₂O |
| 11 psi | 304.4789518 inH₂O |
| 12 psi | 332.1588565 inH₂O |
| 13 psi | 359.8387612 inH₂O |
| 14 psi | 387.5186659 inH₂O |
| 15 psi | 415.1985707 inH₂O |
| 16 psi | 442.8784754 inH₂O |
| 17 psi | 470.5583801 inH₂O |
| 18 psi | 498.2382848 inH₂O |
| 19 psi | 525.9181895 inH₂O |
| 20 psi | 553.5980942 inH₂O |
| 25 psi | 691.9976178 inH₂O |
| 30 psi | 830.3971413 inH₂O |
| 40 psi | 1,107.196188 inH₂O |
| 50 psi | 1,383.995236 inH₂O |
| 75 psi | 2,075.992853 inH₂O |
| 100 psi | 2,767.990471 inH₂O |
| 250 psi | 6,919.976178 inH₂O |
| 500 psi | 13,839.95236 inH₂O |
| 1,000 psi | 27,679.90471 inH₂O |
What is a pound per square inch?
The pound per square inch (psi) is the unit of pressure used in the United States for tire pressures, air compressors, water systems and engineering.
What is an inch of water?
The inch of water column is the standard unit for low pressures in US gas and HVAC work: natural gas appliances run at about 3.5–7 inches of water, and duct static pressures are measured the same way.
Convert pounds per square inch to other units
- Pounds per square inch to bars
- Pounds per square inch to kilopascals
- Pounds per square inch to pascals
- Pounds per square inch to standard atmospheres
- Pounds per square inch to millimeters of mercury
- Pounds per square inch to hectopascals
- Pounds per square inch to megapascals
- Pounds per square inch to inches of mercury
- Pounds per square inch to millibars
- Pounds per square inch to centimeters of water
- All pound per square inch conversions →
Convert other units to inches of water
- Bars to inches of water
- Kilopascals to inches of water
- Pascals to inches of water
- Standard atmospheres to inches of water
- Millimeters of mercury to inches of water
- Hectopascals to inches of water
- Megapascals to inches of water
- Inches of mercury to inches of water
- Millibars to inches of water
- Centimeters of water to inches of water
- All inch of water conversions →
Frequently asked questions
How many inches of water are in a pound per square inch?
One pound per square inch is 27.67990471 inches of water.
How many pounds per square inch are in an inch of water?
One inch of water is 0.036127292 pounds per square inch.
What is the formula to convert pounds per square inch to inches of water?
inH₂O = psi × 27.6799047102.