1. What is Head Pressure of Water in Pipe?

Definition: This calculator determines the hydrostatic pressure exerted by a column of water at a specific height in a pipe or container.

Purpose: It helps engineers, plumbers, and fluid system designers understand the pressure at different points in a water system.

2. How Does the Calculator Work?

The calculator uses the hydrostatic pressure formula:

Where:

• \( P \) — Pressure (Pascals)
• \( \rho \) — Water density (kg/m³, default 1000)
• \( g \) — Gravitational acceleration (m/s², default 9.81)
• \( h \) — Height of water column (meters)

Explanation: The pressure increases linearly with height due to the weight of the water above.

3. Importance of Head Pressure Calculation

Details: Proper pressure calculation ensures pipe systems can withstand expected loads and helps design pumps with adequate capacity.

4. Using the Calculator

Tips: Enter water density (default 1000 kg/m³), gravity (default 9.81 m/s²), and height of water column in meters. All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: What is typical water density?
A: Pure water at 4°C has a density of 1000 kg/m³, but this decreases slightly with temperature increase.

Q2: Why is gravity included in the calculation?
A: Gravity determines the weight of the water column, which creates the pressure.

Q3: How does height affect pressure?
A: Pressure increases directly proportionally with height - double the height means double the pressure.

Q4: Can I use this for other liquids?
A: Yes, but you must adjust the density value for the specific liquid.

Q5: How do I convert Pascals to other units?
A: 1 psi ≈ 6895 Pa, 1 bar = 100,000 Pa, 1 atm ≈ 101,325 Pa.