Home Back

Water Pressure Calculator from Tank Height

Water Pressure Formula:

\[ P = \rho \times g \times h \]

kg/m³
m/s²
meters

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is Water Pressure from Tank Height?

Definition: This calculator determines the water pressure at the base of a tank based on the height of the water column.

Purpose: It helps engineers, plumbers, and water system designers calculate static water pressure for system design and analysis.

2. How Does the Calculator Work?

The calculator uses the hydrostatic pressure formula:

\[ P = \rho \times g \times h \]

Where:

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

3. Importance of Water Pressure Calculation

Details: Proper pressure calculation ensures correct pump sizing, pipe strength requirements, and system performance.

4. Using the Calculator

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

5. Frequently Asked Questions (FAQ)

Q1: Why is water density typically 1000 kg/m³?
A: This is the standard density of pure water at 4°C. It may vary slightly with temperature and impurities.

Q2: How does this relate to water head pressure?
A: The result can be converted to head pressure (meters of water column) by dividing by (ρ × g).

Q3: Does this account for atmospheric pressure?
A: No, this calculates only the hydrostatic pressure. Total pressure would add atmospheric pressure (101325 Pa at sea level).

Q4: What's the practical application?
A: Used in designing water towers, storage tanks, plumbing systems, and hydraulic engineering projects.

Q5: How accurate is this calculation?
A: Very accurate for static conditions. Dynamic systems with flow require additional considerations.

Water Pressure Calculator from Tank Height© - All Rights Reserved 2025