Convert Inches of Water to Pounds per Square Inch
Convert inches of water to pounds per square inch (inH₂O to psi) with our instant calculator. 1 inH₂O = 0.036127 psi. Includes exact formula and reference tables.
How to Convert Inches of Water to Pounds per Square Inch (inH₂O to psi)
1 Inch of Water (inH₂O) is equal to 0.036127 Pounds per Square Inch (psi). Multiply the inch of water value by 0.036127292
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 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).
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).
Need to convert in the opposite direction? Visit our Convert Pounds per Square Inch to Inches of Water (psi to inH₂O) calculator (1 psi = 27.679905 inH₂O).
Step-by-Step Worked Examples (inH₂O to psi)
- Convert 5 Inches of Water to Pounds per Square Inch: Applying the formula (psi = inH₂O × 0.036127292): starting with 5 inH₂O, multiply the inch of water value by 0.036127292 to get 0.1806 psi.
- Convert 10 Inches of Water to Pounds per Square Inch: Applying the formula (psi = inH₂O × 0.036127292): starting with 10 inH₂O, multiply the inch of water value by 0.036127292 to get 0.3613 psi.
- Convert 50 Inches of Water to Pounds per Square Inch: Applying the formula (psi = inH₂O × 0.036127292): starting with 50 inH₂O, multiply the inch of water value by 0.036127292 to get 1.8064 psi.
Popular Pressure Conversions
Frequently Asked Questions
Verified answers and formulas for converting inches of water to pounds per square inch.
There are 0.036127 pounds per square inch (psi) in 1 inch of water (inH₂O). Conversely, 1 pound per square inch equals 27.679905 inches of water.
To convert inches of water (inH₂O) to pounds per square inch (psi), use the formula: psi = inH₂O × 0.036127292. Multiply the inch of water value by 0.036127292. For example, 10 inH₂O equals 0.3613 psi.
To convert in the reverse direction from pounds per square inch (psi) to inches of water (inH₂O), use the inverse formula: inH₂O = psi × 27.67990471. Multiply the pound per square inch value by 27.67990471 (1 psi = 27.679905 inH₂O).
Both inch of water and pound per square inch measure pressure. 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). 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).
1 bar equals approximately 14.5038 PSI. For car tires, 2.2 bar is roughly 32 PSI.