Calcs.com

Timber Beam (NZS 3603)

The easy to use online ClearCalcs Timber Beam Calculator enables you to do quick and powerful design and analysis for simple and continuous timber beams, with unlimited supports and loads. Choose from our library of thousands of common timber sections, or create your own and get instant results with our easy to understand traffic light checks for moment, deflection, and shear.

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Ready-made configuration to save you time

A preset is a ready-made configuration that instantly sets up a structural calculation with commonly used parameters, materials, and load scenarios. Each preset is tailored to specific use cases like floor joists, roof girders, or deck beams.

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Generic Beam
Generic Beam
Rafter
Rafter
Roof Bearer
Roof Bearer
Underpurlin
Underpurlin
Strutting / Counter-Strutting Beam
Strutting / Counter-Strutting Beam
Verandah Beam
Verandah Beam
Hanging Beam
Hanging Beam
Ceiling Joist
Ceiling Joist
Roof Lintel
Roof Lintel
Wind Beam
Wind Beam
Floor Joist
Floor Joist
Floor Bearer
Floor Bearer
Floor Lintel
Floor Lintel
Retaining Wall Sleeper
Retaining Wall Sleeper

Frustration to flow

See how Calcs.com transforms structural calculations from a tedious, error-prone chore into an efficient, stress-free process.

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With spreadsheets and clunky software

Frustration, fuss, and fragile formulas.
The old way of engineering that holds you back.

  • Struggle with endless spreadsheets and custom formulas.
  • Building codes change, but outdated software and spreadsheets don't.
  • Triple-check and verify manual input at every turn.
  • Old software feels like a maze, with unclear settings, limited templates, and rigid interfaces.
ClearCalcs calculator interface

With Calcs.com

Effortless, efficient engineering calculations at your fingertips.

  • 100+ pre-built calculators for different materials.
  • Every calculation complies with the latest codes and standards.
  • Forget the worry of "black box" calculations; verify calculators with inline formulas, codes, and checks.
  • Intuitive tools built to your workflow, plus unmatched customer support.

Engineering work deserves better than black boxes and fragmented tools

Join thousands of engineers who make decisions they can verify, trust, and defend. Start with a free trial: no installation, no credit card required.