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Wind Load Calculator

Florida permit plans

Prepare your permit plans

Calculate your Florida wind loads, then add your floor plan and opening schedule for engineering review.

Typically 1–3 minutes per property

See a worked example No account needed

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Building geometryIllustrative example
Sample building elevation and wall zonesA 50-foot-wide building with a sloped roof, 24-foot eaves and a 34-foot ridge. Its mean roof height is 29 feet. Magenta Zone 5 covers the 5-foot corner strips; blue Zone 4 covers the wall between them. The outer windows cross the zone boundaries. This is an illustrative building, not a project calculation.
Zone 4

Wall field

Zone 5

Corner strips

Building width
50 ft
Mean roof height, h
29 ft
Corner width, a
5 ft

How the calculator works

  1. Enter the address

    We locate the property and research the site and building for you.

  2. Confirm the building

    Check what we found, correct anything flagged and fill in any gaps.

  3. Get your pressures

    See Zone 4 and Zone 5 wall pressures on screen, then order a calculation PDF or a report signed and sealed by a Florida PE.

ASCE 7-22 · 2023 Florida Building Code (8th Edition)Contact support