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Structural Beam Load Calculator

Estimate the load-bearing stiffness of a simply supported structural beam based on its span, cross-section, and material. Use this when sizing floor joists, headers, or steel beams for construction projects.

Beam Length (ft)

Moment of Inertia (in⁴)

Elastic Modulus (psi)

Support Type

Fill in the required fields to see your result.

Civil

Earthwork Cut & Fill Calculator

Calculate the volume of soil to cut or fill when grading a site from an existing elevation to a target finish grade. Used by contractors and civil engineers for site grading, road construction, and land development projects.

Project Area (sq ft)

Existing Grade (ft elevation)

Finish Grade (ft elevation)

Fill in the required fields to see your result.

Key differences

	Structural Beam Load Calculator	Earthwork Cut & Fill Calculator
Category	Civil	Civil
Inputs required	4	3
Result	Maximum Uniform Load (lbs/ft)	Material Volume (cubic yards)
What it does	Estimate the load-bearing stiffness of a simply supported structural beam based on its span, cross-section, and material. Use this when sizing floor joists, headers, or steel beams for construction projects.	Calculate the volume of soil to cut or fill when grading a site from an existing elevation to a target finish grade. Used by contractors and civil engineers for site grading, road construction, and land development projects.