Foundations & Structure

15 free foundations & structure calculators. Enter your numbers and get the result instantly, with the formula and a worked example on every page.

Mass Concrete Calculator

Calculate cement, sand and gravel for mass concrete.

Reinforced Concrete Calculator

Calculate materials for reinforced concrete with rebar.

Isolated Footing Calculator

Isolated Footing Calculator. Free online calculator with formula, examples and step-by-step guide.

Retaining Wall Calculator

Retaining Wall Calculator. Free online calculator with formula, examples and step-by-step guide.

Concrete Column Calculator

Calculate materials for reinforced concrete columns.

Concrete Beam Calculator

Calculate materials for reinforced concrete beams.

Joist and Slab Calculator

Joist and Slab Calculator. Free online calculator with formula, examples and step-by-step guide.

Concrete Slab Calculator

Concrete Slab Calculator. Free online calculator with formula, examples and step-by-step guide.

Strip Foundation Calculator

Strip Foundation Calculator. Free online calculator with formula, examples and step-by-step guide.

Excavation Volume Calculator

Sod & Turf Calculator

Sod & Turf Calculator. Free online calculator with formula, examples and step-by-step guide.

Mulch Calculator

Mulch Calculator. Free online calculator with formula, examples and step-by-step guide.

Roofing Shingle Calculator

Roofing Shingle Calculator. Free online calculator with formula, examples and step-by-step guide.

Concrete Steps Calculator

Free online concrete steps calculator. Enter total rise and total run to get instant results.

Landscape Rock Calculator

Free online landscape rock calculator. Enter area length and area width to get instant results.