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Contact Roof Truss Calculator

We read every message. Corrections to the calculators are the ones we act on fastest, so if a figure looks off, please include the exact inputs you used.

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Corrections, feature requests and partnership enquiries all land in the same inbox.

Email us directly

If you would rather not use the form, everything reaches the same inbox.

hello@rooftrusscalculator.online

We usually reply within two working days. We do not provide structural engineering advice or review project drawings, for that you need a licensed engineer in your jurisdiction.

What people write to us about

Report a wrong number If a result does not match your supplier's sealed drawing, send us the inputs you used and the figure you expected. Corrections go to the front of the queue.
Request a calculator Missing a truss shape or a calculation you need regularly? Tell us what you are trying to work out and we will look at building it.
Update our pricing data Truss prices move and vary hugely by region. If you are a fabricator or estimator with current numbers, we would genuinely like to hear them.
Editorial and partnerships Guest contributions from engineers and truss fabricators, and sensible partnership enquiries.

Before you write about a specific roof

We cannot tell you whether your trusses are safe, whether you can cut one, or how much your particular roof will hold. Those questions need someone who can see the structure and carry liability for the answer, a local structural engineer.