Inch of Water (inH2O) to Psi Pressure Unit Conversion Calculator

This calculator allows you to convert pressure values from inches of water (inH2O) to pounds per square inch (psi).

Definition: Inch of Water (inH2O)

An inch of water (symbol: inH2O) is a unit of pressure. It represents the pressure exerted by a column of water one inch high at 39.2°F under standard gravity. This unit is commonly used in various industries, including HVAC, to measure differential pressure.

Definition: Pound-force per Square Inch (psi)

A pound-force per square inch (symbol: psi) is a unit of pressure used in the imperial and US customary systems. It represents the pressure resulting from a force of one pound-force applied over an area of one square inch.

Formula for Inch of Water (inH2O) to Psi Conversion:

Pressure in psi = Pressure in inH2O × 0.0361273

How to Convert Inch of Water to Psi: Example Calculation

Suppose you have a pressure of 10 inH2O.

 To convert it to psi: 10 × 0.0361273 = 0.361273 psi

 So, 10 inH2O is equal to 0.361273 psi.

Quick Reference Conversion Table for Inch of Water to Psi

Use of Inch of Water to Psi Conversion Calculator:

• HVAC Systems: Convert pressures in ductwork and other HVAC systems from inH2O to psi.
• Instrumentation: Useful for converting gauge readings in water-based systems to psi.
• Industrial Applications: Applicable in various industries where pressure measurements in different units are required.

This calculator is a valuable tool for engineers, technicians, and professionals working in fields that require accurate pressure conversions between these units.

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