Roof Truss Calculator

Calculate roof truss dimensions, member lengths, and quantities. Supports king post, queen post, Fink, and Howe truss configurations.

Truss Geometry
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Including tiles, battens, wind uplift

Including plasterboard, insulation

Enter truss parameters to calculate forces and sizes

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Get a professional PDF report of this calculation, plus access to templates and additional resources.

IMPORTANT DISCLAIMER

This calculator provides PRELIMINARY ESTIMATES ONLY and is intended for planning and budgeting purposes. Results should NOT be used for final structural design or construction without verification by a licensed Professional Engineer (PE) or Chartered Engineer (CEng).

By using this tool, you acknowledge that:

1. All calculations are indicative and may not account for site-specific conditions, load combinations, or local code requirements.

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