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Wind Pressure
Calculator

Calculate preliminary ASCE 7 design wind pressures for components and cladding. Submit your results for licensed PE review, sign, and seal by Qrown Engineering.

🌊 Project Inputs


▶ Calculation Results

Velocity Pressure at Mean Roof Height
qh (psf)
Exposure Coefficient Kz
at mean roof height h
Positive Pressure
psf (inward)
Negative Pressure
psf (outward)
Positive Pressure
psf (inward)
Negative Pressure
psf (outward)
Code Reference
Preliminary Estimate Only. These results are provided for informational and planning purposes. Design pressures must be confirmed by a licensed Professional Engineer before use in construction documents, product selection, or permit submissions. Submit below for licensed PE review and seal.

📝 Need an Official Signed & Sealed Document?

Qrown Engineering can provide a PE-signed and sealed wind pressure letter — suitable for permit submission, product approval, or construction documents. Licensed in FL, CA, NY & NJ.

Request Received!

Quincy Brown, PE will review your inputs and follow up at within 2–3 business days with a signed and sealed engineering letter and fee quote.

Got it. Save or screenshot your results above. If you need a PE-sealed document later, contact us anytime.
Something went wrong. Please email info@qrownengineering.com directly.
🌊

Enter your project parameters on the left and click Calculate Design Pressures to see your ASCE 7 results here.

1
Enter Your Info & Inputs Fill in your name, email, and project parameters, then click Calculate.
2
Review Your Results Preliminary ASCE 7 design pressures appear instantly for both Zone 4 and Zone 5.
3
Request a Sealed Document One click sends your results to Quincy Brown, PE. Signed & sealed letter returned in 2–3 business days.