Wood Beam (LRFD) Calculator to NDS 2018 (LRFD) and IBC 2018

Easy to use online Wood Beam (LRFD) software for American standards.


The easy to use online ClearCalcs Wood Beam LRFD Calculator to NDS 2018 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 wood sections, or create your own and get instant results with our easy to understand traffic light checks for moment, deflection, and shear. The calculator also supports flitch plates.

Presets Available

Presets enable you to quickly design a wide range of different calculation types using smart, prefilled settings to save time.

  • Generic Beam
  • Floor Joist
  • Floor Girder
  • Ceiling Joist
  • Hip / Valley
  • Rafter
  • Ridge Beam
  • Roof Header
  • Floor Header

Key Sections in the Wood Beam (LRFD) Calculator

  • Flitch Plate Properties
  • Design Conditions
  • Loads
  • Line Loads
  • Member Properties
  • Load Combination Analysis (ASCE 7-16, Ch. 2)
  • Unfactored Load Analysis (ASCE 7-16)
  • Governing Load Combination Determination
  • Elastic Modulus (NDS 2018 2.3)
  • Section Bending (NDS 2018 2.3)
  • Positive Bending (NDS 2018 2.3)
  • Negative Bending (NDS 2018 2.3)
  • Flitch Beam Design
  • Shear Design (NDS 2018 3.4)
  • Bearing (NDS 2018 3.10)
  • Deflections

What is ClearCalcs?

ClearCalcs is a cloud structural design and analysis software helping engineers and designers do their best work quickly. With a broad range of calculations available, streamline your calculations and checks and produce beautiful end reports.

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