1. What is a Water Column to PSI Calculator?

Definition: This calculator converts water column height in inches to pressure in pounds per square inch (psi).

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

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( P_{psi} \) — Pressure in pounds per square inch
• \( h_{in} \) — Height of water column in inches

Explanation: The conversion factor 0.0361 psi per inch of water column is derived from the density of water at standard conditions.

3. Importance of Pressure Conversion

Details: Accurate pressure conversion is essential for system design, troubleshooting, and ensuring proper operation of pressure-dependent equipment.

4. Using the Calculator

Tips: Simply enter the water column height in inches. The value must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: What is "inches of water column"?
A: It's a unit of pressure measurement based on the height of a column of water at standard conditions.

Q2: Where is this conversion commonly used?
A: In HVAC systems, gas pressure measurement, and various industrial applications.

Q3: Is the conversion factor always 0.0361?
A: This value is standard for water at 4°C (39.2°F). It may vary slightly with temperature changes.

Q4: How accurate is this conversion?
A: For most practical purposes, it's sufficiently accurate. For precision measurements, consider temperature effects.

Q5: Can I convert PSI back to inches of water?
A: Yes, by dividing PSI by 0.0361 (or multiplying by ~27.7).