1. What is a Psi to Head Ft Calculator?

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

Purpose: It helps engineers, plumbers, and technicians in fluid systems to convert between pressure and head measurements.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( h \) — Head in feet (ft)
• \( P \) — Pressure in pounds per square inch (psi)
• 2.31 — Conversion factor (ft/psi)

Explanation: The conversion factor 2.31 comes from the relationship between pressure and the height of a column of water (1 psi = 2.31 ft of water head).

3. Importance of Psi to Head Conversion

Details: This conversion is essential in hydraulics, pump systems, and water distribution where pressure measurements need to be interpreted as equivalent water column height.

4. Using the Calculator

Tips: Simply enter the pressure value in psi. The calculator will automatically compute the equivalent head in feet.

5. Frequently Asked Questions (FAQ)

Q1: Why is the conversion factor 2.31?
A: It's derived from the specific weight of water (0.433 psi/ft). The reciprocal (1/0.433) gives 2.31 ft/psi.

Q2: Does this conversion work for other liquids?
A: No, this is specific to water. For other liquids, you need to consider their specific gravity.

Q3: When would I need this conversion?
A: When working with pump curves, water towers, or any system where pressure and elevation head are related.

Q4: Is temperature a factor in this conversion?
A: The conversion assumes water at standard conditions (60°F). For very precise calculations at different temperatures, adjustments may be needed.

Q5: How accurate is this conversion?
A: For most practical purposes, it's accurate enough. The exact value is 2.30666 ft/psi, but 2.31 is the commonly used approximation.