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
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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.