Wind Load Calculator
Estimate wind load and pressure on a structure or sign from wind speed and surface area with this free structural calculator online.
Enter Values
Before you rely on this: First-pass guide only. Verify safety-critical or regulated work against the relevant standards, your project requirements and a qualified professional.
How to use this calculator
- Enter the wind speed (m/s) and the exposed area (m²).
- Read the pressure and force.
How it works
Dynamic pressure q ≈ 0.6 × wind speed²; force = q × area.
Worked example
30 m/s on 10 m². ≈ 540 Pa, 5400 N.
Common mistakes
- Treating this as a code result — real design adds shape, height and gust factors.
- Using km/h instead of m/s.
Frequently asked questions
Is this suitable for design?
No — it's a simplified estimate. Real wind design follows standards like AS 1170.2 and needs an engineer.
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Cite this tool
Zerdly. (2026). Wind Load Calculator. Retrieved from https://www.zerdly.com/tools/wind-load-calculator/
Tip: Enter any known values to calculate the remaining results.
All calculations run in your browser. Your inputs are never saved or transmitted.