1. What is an Inches of Water Column to PSI Calculator?

Definition: This calculator converts pressure measurements from inches of water column (inH2O) to pounds per square inch (PSI).

Purpose: It helps engineers, HVAC technicians, and industrial professionals convert between these common pressure units.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( P_{psi} \) — Pressure in pounds per square inch (PSI)
• \( h_{in} \) — Height of water column in inches (inH2O)
• 0.0361 — Conversion factor (1 inH2O = 0.0361 PSI)

Explanation: The height of water column is multiplied by the standard conversion factor to get equivalent pressure in PSI.

3. Importance of Pressure Unit Conversion

Details: Accurate conversion between these units is essential for pressure measurements in HVAC systems, gas pressure settings, and industrial processes.

4. Using the Calculator

Tips: Simply enter the water column height in inches. The result will show the equivalent pressure in PSI.

5. Frequently Asked Questions (FAQ)

Q1: What is inches of water column?
A: It's a unit of pressure measurement based on the pressure exerted by a column of water of specified height.

Q2: Where is this conversion commonly used?
A: In HVAC systems, natural gas distribution, and low-pressure applications where water column is the standard unit.

Q3: Why is the conversion factor 0.0361?
A: This comes from the density of water at standard conditions (1 inH2O at 4°C equals 0.0361 PSI).

Q4: How accurate is this conversion?
A: The conversion is accurate for standard conditions. For precise measurements, temperature corrections might be needed.

Q5: Can I convert PSI back to inches of water?
A: Yes, by dividing PSI by 0.0361 (or multiplying by 27.68).