1 psi = 27.679905 inH₂O
1 Pound per Square Inch equals 27.679905 Inches of Water

Pounds per Square Inch to Inches of Water Conversion Table

Standard benchmark values from 1 to 1,000 psi in inH₂O.

Pounds per Square Inch (psi) Inches of Water (inH₂O)
1 psi 27.6799 inH₂O
2 psi 55.3598 inH₂O
5 psi 138.3995 inH₂O
10 psi 276.799 inH₂O
25 psi 691.9976 inH₂O
50 psi 1384 inH₂O
100 psi 2767.99 inH₂O
250 psi 6919.98 inH₂O
500 psi 13839.95 inH₂O
1000 psi 27679.9 inH₂O

Convert Pounds per Square Inch to Inches of Water

Convert pounds per square inch to inches of water (psi to inH₂O) with our instant calculator. 1 psi = 27.679905 inH₂O. Includes exact formula and reference tables.

How to Convert Pounds per Square Inch to Inches of Water (psi to inH₂O)

1 Pound per Square Inch (psi) is equal to 27.679905 Inches of Water (inH₂O). Multiply the pound per square inch value by 27.67990471

Quick Answer 1 psi = 27.679905 inH₂O
Formula inH₂O = psi × 27.67990471
Inverse Factor 1 inH₂O = 0.036127 psi

Unit Definitions & Metrology Context

The SI unit of pressure is the pascal (Pa). Standard sea-level atmosphere is defined as 101,325 Pa (1.01325 bar or ~14.696 psi).

About Pounds per Square Inch (psi): Pound per Square Inch (psi) is a unit in the Pressure measurement category. It is a standard everyday unit of pressure measurement. Relative to the pressure base unit, 1 psi equals 6894.757293 Pascals (Pa).

About Inches of Water (inH₂O): Inch of Water (inH₂O) is a unit in the Pressure measurement category. It is widely used in hvac duct & fan static pressure. Relative to the pressure base unit, 1 inH₂O equals 249.08891 Pascals (Pa).

Need to convert in the opposite direction? Visit our Convert Inches of Water to Pounds per Square Inch (inH₂O to psi) calculator (1 inH₂O = 0.036127 psi).

Step-by-Step Worked Examples (psi to inH₂O)

  • Convert 5 Pounds per Square Inch to Inches of Water: Applying the formula (inH₂O = psi × 27.67990471): starting with 5 psi, multiply the pound per square inch value by 27.67990471 to get 138.3995 inH₂O.
  • Convert 10 Pounds per Square Inch to Inches of Water: Applying the formula (inH₂O = psi × 27.67990471): starting with 10 psi, multiply the pound per square inch value by 27.67990471 to get 276.799 inH₂O.
  • Convert 50 Pounds per Square Inch to Inches of Water: Applying the formula (inH₂O = psi × 27.67990471): starting with 50 psi, multiply the pound per square inch value by 27.67990471 to get 1383.9952 inH₂O.

Frequently Asked Questions

Verified answers and formulas for converting pounds per square inch to inches of water.

How many inches of water are in 1 pound per square inch?

There are 27.679905 inches of water (inH₂O) in 1 pound per square inch (psi). Conversely, 1 inch of water equals 0.036127 pounds per square inch.

How do you convert pounds per square inch to inches of water?

To convert pounds per square inch (psi) to inches of water (inH₂O), use the formula: inH₂O = psi × 27.67990471. Multiply the pound per square inch value by 27.67990471. For example, 10 psi equals 276.799 inH₂O.

How do I convert back from inches of water to pounds per square inch?

To convert in the reverse direction from inches of water (inH₂O) to pounds per square inch (psi), use the inverse formula: psi = inH₂O × 0.036127292. Multiply the inch of water value by 0.036127292 (1 inH₂O = 0.036127 psi).

What is the difference between pound per square inch (psi) and inch of water (inH₂O)?

Both pound per square inch and inch of water measure pressure. Pound per Square Inch (psi) is a unit in the Pressure measurement category. It is a standard everyday unit of pressure measurement. Relative to the pressure base unit, 1 psi equals 6894.757293 Pascals (Pa). Inch of Water (inH₂O) is a unit in the Pressure measurement category. It is widely used in hvac duct & fan static pressure. Relative to the pressure base unit, 1 inH₂O equals 249.08891 Pascals (Pa).

How many PSI is in 1 bar?

1 bar equals approximately 14.5038 PSI. For car tires, 2.2 bar is roughly 32 PSI.