Roof Truss Calculator
Calculate roof truss dimensions, member lengths, and quantities. Supports king post, queen post, Fink, and Howe truss configurations.
Truss Geometry
Loading
Including tiles, battens, wind uplift
Including plasterboard, insulation
Enter truss parameters to calculate forces and sizes
Save Your Calculation
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.