Home Back

The Formula Of Pressure

Pressure Formula:

\[ P = \frac{F}{A} \]

N

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is Pressure?

Definition: Pressure is the amount of force applied perpendicular to the surface of an object per unit area.

Purpose: This calculator helps determine the pressure exerted when a known force is applied over a specific area.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ P = \frac{F}{A} \]

Where:

Explanation: The force is divided by the area over which it's distributed to calculate the pressure.

3. Importance of Pressure Calculation

Details: Pressure calculations are crucial in engineering, physics, and many practical applications like hydraulic systems, structural design, and fluid mechanics.

4. Using the Calculator

Tips: Enter the force in Newtons and the area in square meters. Both values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What is a Pascal (Pa)?
A: One Pascal is equal to one Newton per square meter (N/m²). It's the SI unit of pressure.

Q2: How do I convert to other pressure units?
A: 1 kPa = 1000 Pa, 1 bar ≈ 100,000 Pa, 1 psi ≈ 6895 Pa.

Q3: What's a typical pressure example?
A: Atmospheric pressure at sea level is about 101,325 Pa (101.325 kPa).

Q4: Why does area affect pressure?
A: The same force distributed over a larger area results in lower pressure (like snowshoes preventing sinking in snow).

Q5: Can pressure be negative?
A: In most physical systems, pressure is positive, but relative pressure can be negative compared to a reference.

The Formula Of Pressure© - All Rights Reserved 2025