Physics

Wind Load Calculator

Find the wind force on a surface.

Air density (kg/m³)

Wind speed

Drag coefficient

Exposed area

Calculated Output

Wind force (N) 4,593.75

Wind pressure (Pa) 459.38

Formula: F = ½·ρ·v²·Cd·A

Step-by-Step Breakdown

1. Values used:

2. Air density = 1.225 kg/m³

3. Wind speed = 25

4. Drag coefficient = 1.2

5. Exposed area = 10

7. Wind force = 4,593.75N

8. Wind pressure = 459.38Pa

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The math behind it

F = ½·ρ·v²·Cd·A. The dynamic pressure ½ρv² grows with the square of wind speed.

25 m/s on a 10 m² flat surface (Cd 1.2) → about 4594 N.

Why do storms cause so much damage?

Doubling wind speed quadruples the force.