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Both calculators run independently — change the inputs on either side to compare results.

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.

Civil

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.

Key differences

	Earthwork Cut & Fill Calculator	Structural Beam Load Calculator
Category	Civil	Civil
Inputs required	3	4
Result	Material Volume (cubic yards)	Maximum Uniform Load (lbs/ft)
What it does	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.	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.