Roof Truss Calculator
Estimate top chord length and ridge height for a standard roof truss from span and pitch.
Estimate only — not a substitute for a licensed tradesperson, a certified engineer, or sign-off from your local building surveyor. Verify against current standards and site conditions before ordering materials or starting work.
Result
- Half span + overhang
- 4,450mm
- Top chord length
- 4,816.65mm
- Ridge height above wall plate
- 1,843.25mm
Indicative geometry only. Truss design, member sizing, and bracing must be certified by a registered truss designer/engineer before manufacture.
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