Psi To Feet Calculator Conversion

Feet Head Formula:

\[ \text{Feet} = \frac{\text{PSI}}{\text{Density} \times g / 144} \]

Feet Head (ft):

Unit Converter ▲

Unit Converter ▼

From:	To:

1. What is PSI to Feet Conversion?

The PSI to feet conversion calculates the equivalent height of a fluid column (in feet) that would produce the given pressure in pounds per square inch (PSI). This is commonly used in hydraulics and fluid mechanics to convert pressure measurements to head measurements.

2. How Does the Calculator Work?

The calculator uses the feet head formula:

\[ \text{Feet} = \frac{\text{PSI}}{\text{Density} \times g / 144} \]

Where:

\( PSI \) — Pressure in pounds per square inch (lb/in²)
\( Density \) — Fluid density in pounds per cubic foot (lb/ft³)
\( g \) — Gravitational acceleration (32.2 ft/s² standard)
\( 144 \) — Conversion factor (144 in² = 1 ft²)

Explanation: The formula converts pressure to the equivalent height of a fluid column by accounting for fluid density and gravitational force.

3. Importance of Pressure Head Conversion

Details: Converting PSI to feet head is essential in hydraulic engineering, pump selection, pipeline design, and understanding fluid behavior in various systems. It helps engineers compare pressure measurements across different fluid types and system configurations.

4. Using the Calculator

Tips: Enter pressure in PSI, fluid density in lb/ft³, and gravitational acceleration (default is 32.2 ft/s²). All values must be positive numbers. Water density is approximately 62.4 lb/ft³ at standard conditions.

5. Frequently Asked Questions (FAQ)

Q1: Why convert PSI to feet head?
A: Feet head provides a more intuitive understanding of pressure in fluid systems, especially when dealing with pumps, pipelines, and hydraulic gradients.

Q2: What is the standard gravity value used?
A: The standard gravitational acceleration is 32.2 ft/s², but this may vary slightly depending on location and altitude.

Q3: How does fluid density affect the conversion?
A: Denser fluids require less height to achieve the same pressure, while lighter fluids require more height for equivalent pressure.

Q4: Can I use this for any fluid type?
A: Yes, as long as you know the fluid's density in lb/ft³. The formula works for water, oil, chemicals, and other fluids.

Q5: What are typical applications of this conversion?
A: Pump sizing, pipeline design, pressure vessel calculations, hydraulic system analysis, and fluid dynamics calculations.