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How to Calculate h (Height)

Height Formula:

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

Pa
kg/m³
m/s²
m

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1. What is the Height (h) Calculator?

Definition: This calculator determines the height of a fluid column based on pressure, fluid density, and gravitational acceleration.

Purpose: It's commonly used in physics, engineering, and fluid mechanics to calculate the height of liquid columns in manometers or to determine pressure head in fluid systems.

2. How Does the Calculator Work?

The calculator uses the formula:

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

Where:

Explanation: The pressure is divided by the product of density and gravitational acceleration to determine the equivalent height of the fluid column.

3. Importance of Height Calculation

Details: This calculation is fundamental in hydraulic systems, pressure measurement, and understanding fluid behavior under gravity.

4. Using the Calculator

Tips: Enter the pressure in Pascals, fluid density in kg/m³, and gravitational acceleration (default 9.81 m/s²). All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: What units should I use for this calculation?
A: Use Pascals for pressure, kg/m³ for density, and m/s² for gravity to get height in meters.

Q2: Can I use this for gases?
A: The formula works for any fluid, but for gases, density changes significantly with pressure and temperature.

Q3: Why is gravity 9.81 m/s²?
A: This is the standard gravitational acceleration at Earth's surface. Use different values for other planets.

Q4: How does temperature affect the calculation?
A: Temperature affects density (ρ). Use the correct density for the fluid at its actual temperature.

Q5: What's a practical application of this formula?
A: It's used in manometers to measure pressure by the height of a liquid column, or to calculate pressure head in hydraulic systems.

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