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 wood 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.

Software for American standards

Wood Design to the National Design Standard (NDS) - including dimensioned lumber, timber, glulams, and LVLs

Helpful presets with common default properties

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

Easily link loads and reactions between beams and columns

Support for dynamic load linking between beams and columns. No need to manually copy and paste reactions between calculations!

Color-coded utilization checks

Verify your calculations at a glance with easy color-coded demand to capacity ratios using our traffic light system.

With spreadsheets and clunky software

Frustration, fuss, and fragile formulas—the old way of engineering calculations 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Building codes change, but outdated software and spreadsheets don’t.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.

With ClearCalcs

Effortless, efficient engineering calculations at your fingertips.

100+ pre-built calculators for different materials.

Every calculation comply 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.

How it works

Your code-compliant calculator

Tired of complex calculations? ClearCalcs Calculator Library keeps it simple, secure, and code-compliant—so you can calculate with confidence.

Save time with ready-to-use templates for wood, steel, and concrete

ClearCalcs offers an extensive library of easy-to-use calculators for beams, columns, and footings, designed to make structural calculations simpler and faster.

Choose from a wide range of pre-configured beam and column options, complete with automatic member sizing, so you can quickly reach reliable designs and reduce rework.

Beams

Columns

Foundations

Walls

Loads

Dynamically track your load paths from roof to foundation

No need to copy and paste reactions between calculations! If the top calculator's reactions change, the loads being inherited onto the lower calculator will update automatically. This includes all loads such as dead, live, snow, seismic, and wind.

Submit professional reports for permit review

ClearCalcs is not only easy to use, but also easy to check! All calculations follow an easy to understand traffic light check system, with multiple levels of detail available giving you the choice of printing every step of the calculation and all code and standard references, or simply a compact, one-page print out.

Report heading includes your project name and address

Easily upload your organization logo for a professional report

Use custom PDF upload to merge additional documents to your structural calculations

Download a sample report