Calculators
RSJ Weight Calculator: Mass, Length and Quantity
Use the RSJ weight calculator for single and mixed orders, check rounded results and avoid double-counting length or self-weight.
Calculators
8 articles in this category
Calculators
RSJ Load Calculator: Inputs, Outputs and Limitations
Follow the load calculator from area loads and tributary width to reactions, moment and deflection, using a reproducible default-input example.
Calculators
RSJ Cost Calculator: Build a Budget from Supplier Quotes
Reproduce the UK and Poland quote-calculator totals, enter net and gross costs correctly and understand the limits of the budget estimate.
Calculators
How Much Weight Can an RSJ Beam Hold? Loads and Design Checks
Compare a uniform load with a central point force and see why total weight alone cannot establish a beam capacity.
Calculators
RSJ Beam Size Calculator: Comparing Sections Transparently
Compare UB sections under the same assumed load and span, accounting for each section's self-weight, geometry and elastic deflection.
Calculators
Flitch Beams: Why the RSJ Calculators Cannot Design Them
Understand why timber-steel flitch beams need a different analysis and which material, connection and support details to give the designer.
Calculators
Padstone Calculator: Bearing Pressure and What the Result Means
Understand bearing-pressure arithmetic and why it cannot establish padstone dimensions or masonry resistance.
Calculators
RSJ Deflection Calculator: Formula and Worked Example
Reproduce a 4 m uniform-load deflection example, convert units correctly and account for self-weight when choosing an RSJ.info tool.