Steel Beam Calculator | Steel Beam Calculator for Designing Steel Beams US

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The beam span length is fixed for this demo version. The full version allows you to design beams of any size.

1 Enter Beam Details

feet

This demo is fixed at 3 feet.
The full version allows precise sizes up to 30 feet.

Calculate steel beams with the capacity to support the loads entered below (calculations to AISC Allowable Stress Design 9th edition)

W beams

S beams

American standard channels

Select a specific steel beam

Depth (in) x Weight (lb/ft)

36,000 psi

50,000 psi

New steel is usually 50,000 psi, older steel is often 36,000 psi

2 Enter Load Details

	Enter dimension to point load ('A' on the diagram) feet (can be zero)
Dead load	Live load *	Enter a name for this point load
pounds	pounds
* Live load values should be verified relative to the locally applicable building code

3 Lateral bracing

Yes, if top flange is laterally braced at least every 2 feet

4 Deflection Limits

Span /

Usually Span / 360

Span /

Usually Span / 240

Enter a name for this load
Dead load per square foot	Live load per square foot *	Tributary width of floor supported by beam
psf	psf	feet
* Live load values should be verified relative to the locally applicable building code