Home Back

Calculation of Pump Head Pressure

Pump Head Formula:

\[ H = \frac{P}{\rho \times g} \]

Pa
kg/m³
m/s²

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is Pump Head Pressure?

Pump head is a measurement of the height difference a pump can create in a fluid column. It represents the energy imparted to the fluid by the pump and is typically measured in meters of fluid column.

2. How Does the Calculator Work?

The calculator uses the pump head formula:

\[ H = \frac{P}{\rho \times g} \]

Where:

Explanation: This formula converts pressure to the equivalent height of fluid column by accounting for the fluid's density and gravitational acceleration.

3. Importance of Pump Head Calculation

Details: Pump head is crucial for selecting appropriate pumps, designing piping systems, and ensuring proper fluid flow in various engineering applications.

4. Using the Calculator

Tips: Enter pressure in pascals (Pa), fluid density in kg/m³, and gravity in m/s² (9.81 for Earth). All values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What's the difference between pressure and head?
A: Pressure is force per unit area (Pa), while head is the height of fluid column (m) that would produce that pressure.

Q2: Why is density important in this calculation?
A: Different fluids with the same pressure will have different head values because their densities vary (e.g., water vs. oil).

Q3: What are typical pump head values?
A: Domestic water systems might need 20-50m head, while industrial applications can require hundreds of meters.

Q4: How does gravity affect the calculation?
A: On planets with different gravity, the same pressure would correspond to different head values.

Q5: Can I use this for any fluid?
A: Yes, as long as you know the fluid's density. The formula works for both liquids and gases.

Pump Head Pressure Calculator© - All Rights Reserved 2025