1. What is Feet To Psi Conversion?

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

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

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( P \) — Pressure (psi)
• \( h \) — Height of water column (feet)
• 2.31 — Conversion factor (feet of water to psi)

Explanation: One foot of water height exerts a pressure of 0.433 psi, so the conversion factor is 1/0.433 ≈ 2.31.

3. Importance of Feet to PSI Conversion

Details: This conversion is essential in hydraulics, plumbing, irrigation systems, and pressure vessel calculations where water column height needs to be expressed as pressure.

4. Using the Calculator

Tips: Simply enter the height of water column in feet. The calculator will automatically compute the equivalent pressure in psi.

5. Frequently Asked Questions (FAQ)

Q1: Why is the conversion factor 2.31?
A: It comes from the specific weight of water (62.4 lb/ft³) and unit conversions (1 ft² = 144 in²).

Q2: Does this work for other liquids besides water?
A: No, this is specific to water. For other liquids, you'd need to account for their specific gravity.

Q3: How accurate is this conversion?
A: It's accurate for water at standard conditions (4°C or 39.2°F). Temperature variations cause minor changes.

Q4: What's the reverse calculation (psi to feet)?
A: Multiply psi by 2.31 to get feet of water column.

Q5: Where is this conversion commonly used?
A: In water towers, well systems, boiler operations, and hydraulic engineering applications.