Construction calculators

Start with the work you’re measuring.

Whether you’re planning a pour, finishing a room, or laying out a patio, choose the calculator that matches the material and project—not a search term.

Choose by project

Twelve practical ways to turn a measurement into a material plan.

Concrete & aggregate

Slabs, pours, project volume, and loose base material.

Concrete Quantity and Order Calculator

Calculate concrete for slabs, footings, walls, columns, and post holes with transparent waste and purchasing assumptions.

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Cubic Yard and Project Volume Calculator

Estimate multi-area project volume with mixed units, optional waste, and transparent calculations.

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Gravel and Crushed Stone Calculator

Plan gravel or crushed stone volume, estimated weight, purchasing quantity, and optional material cost with transparent assumptions.

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Walls & finishes

Wall systems, surfaces, and the coatings that finish them.

Drywall Material Calculator

Calculate drywall surface area, opening deductions, sheet count, whole-sheet purchasing quantity, and optional sheet cost with transparent assumptions.

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Retaining Wall Material Calculator

Plan segmental retaining-wall blocks, caps, allowance, optional user-configured base material, and costs with a transparent takeoff.

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Paint Calculator

Turn measured walls, ceilings, openings, coats, product coverage, and selected container sizes into a transparent paint and primer takeoff.

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Flooring & surfaces

Interior floors, tile, and hardscape patios.

Paver and Patio Material Calculator

Estimate patio surface area, pavers, cutting allowance, whole-unit purchase quantity, optional user-configured base and bedding layers, packages, and material cost.

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Flooring and Box Calculator

Turn measured floor areas, selected extra material allowance, and product-specific box coverage into a transparent whole-box purchasing quantity and optional material cost.

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Tile Calculator

Turn measured surface areas, tile dimensions or coverage, an allowance, and optional package or cost inputs into transparent tile and package purchasing quantities.

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Fencing & outdoor

Straight-run fence material planning.

Fence Material Calculator

Plan fence posts, rails, pickets or panels, gates, allowance, purchasing quantities, and optional material costs with transparent assumptions.

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Roofing

Measured roof planes and package quantities.

Roofing Materials Calculator

Turn separately measured horizontal rectangular roof planes, rise-over-run pitch, product-specific package coverage, and a chosen allowance into a transparent roofing-material takeoff.

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Landscape materials

Beds, depth, bulk material, and packages.

Mulch and Landscape Material Calculator

Turn measured landscape-bed areas, selected depth, allowance, and optional product package details into a transparent material order quantity.

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Before you begin

Measure first. Keep the choices visible.

Start with the dimensions you can verify, then use the selected product details and allowance that fit your project. SolverOrg shows the inputs and math so you can review the result.

Read the methodology