Wind Load Calculator
F = q · C_d · A with q = ½ ρ V².
How to Use This Calculator
1
Enter wind speed
In m/s at the height of interest.
2
Enter area and C_d
Use appropriate projected area and drag coefficient.
3
Calculate
Get dynamic pressure, pressure on the surface, and force.
Formula
q = ½ ρ V², F = q · C_d · A
Where: q dynamic pressure (Pa), C_d drag coefficient, A area (m²).
Example: V=30 m/s, ρ=1.225, C_d=1.2, A=2.5 ⇒ q≈551.3 Pa, F≈ 1654 N.
Frequently Asked Questions
Structural codes?
Building codes use exposure categories and gust factors; this tool gives a basic physics estimate.
What C_d should I use?
Flat plate normal to flow ~1.2; streamlined shapes are lower. Consult literature for your geometry.