Beams and Deflection
Calculate Beam Deflection
The closed-form deflection formula for a simply supported beam, and when to use the beam calculator instead.
Size a Beam from Deflection
Worked examples in US and metric units for sizing a beam from a deflection limit.
Calculate Bending Stress from the Moment
Get bending stress from a moment using the elastic section modulus.
Find How Far a Steel Beam Can Span
Find the usable span of a steel beam by iteration, checking deflection and strength.
Creep Deflection
Shear Deflection in Wood Beam Calculators
Please note that shear deflection is applied to I-joist sections in the AU Timber Beam Calculator, but is not performed for other AU timber sections.
Typical Formula References
A quick guide showing how to use formulas and references in Calcs.com and typical ones you may encounter in our calculators.
Design Methods and Codes
ASD and LRFD Calculations
Get Eurocodes and National Annexes
Eurocodes and National Annexes - Where to Get Them!
Structures
Truss Types
A quick guide displaying the different types of trusses in Calcs.com and their advantages for various applications in residential design.
Size and Place Supports in Residential Design
Why supports matter in residential work, how they are sized and placed, and common materials.
Foundations and Retaining Walls
Footings Under Biaxial Bending
How Calcs.com finds soil pressures on a spread footing under bending in both directions at once, and how to do the same by hand.
Sleeper Retaining Wall: Comparing Analysis Methods
A comparative analysis of different methods for calculating pile embedment depth for sleeper retaining walls, including BROMS, AS/NZS 4676, and IBC approaches
Understand Soil Conditions in Sleeper Retaining Wall Design
What are Soil Conditions in Sleeper Retaining Wall Design?
Related guides
US Spread Footings
Design spread footings to ACI 318-14
Europe Calculators
Eurocode-based design calculators