Construction Calculators 🏗️

Free calculators for every construction project — from estimating concrete and lumber to roofing, framing, flooring, and landscaping. All 32 tools organized by trade so you can find what you need fast.

32 Calculators
Most popular
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Concrete Calculator
Cubic yards, bags, and cost for slabs and footings
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Roofing Calculator
Squares, shingle bundles, and total cost
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Flooring Calculator
Boxes needed and cost for any floor type
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Framing Calculator
Studs, top plates, headers, and cripples
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Paint Calculator
Gallons needed for walls, ceiling, and trim
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Stair Calculator
Steps, rise, run, and stringer length

Materials

10 tools
Concrete Calculator—Cubic yards, bags, and cost for slabs, footings, columns, and steps→ Brick Calculator—Bricks and mortar for walls, patios, and paths with 6 brick size options→ Mortar Calculator—Bags of mortar or thinset for brick, block, tile, stone, and pavers→ Concrete Block Calculator—CMU blocks and mortar bags for any wall size and block size→ Rebar Calculator—Linear feet, bar count, weight, and cost for any concrete slab or footing→ Lumber Calculator—Board feet and cost for any lumber order with multiple size support→ Board Foot Calculator—Board feet and cost for hardwood lumber with mixed dimensions→ Sand Calculator—Cubic yards, tons, and bags of sand across 6 sand types→ Gravel Calculator—Cubic yards and tons of gravel, crushed stone, or sand for any project→ Asphalt Calculator—Tons of asphalt for driveways, parking lots, and roads→

Framing & Structure

6 tools
Framing Calculator—Studs, top plates, headers, and cripples for multiple walls at 16 or 24 in OC→ Stair Calculator—Steps, rise, run, and stringer length with live diagram and IRC code check→ Rafter Length Calculator—Common, hip, and valley rafter lengths for any pitch and span→ Roof Pitch Calculator—Convert rise/run, pitch notation, or angle to all formats with rafter length→ Sonotube Calculator—Bags of concrete for round tube forms and column footings→ Square Footage Calculator—Area for rectangles, circles, triangles, and L-shaped rooms→

Flooring & Walls

7 tools
Flooring Calculator—Hardwood, laminate, vinyl, tile, or carpet — boxes needed and total cost→ Tile Calculator—Exact tile count, boxes, grout bags, and cost for any floor or wall→ Grout Calculator—Grout volume, bag count, and cost for any tile job→ Thinset Calculator—Bags of thinset mortar needed by area and trowel notch size→ Drywall Calculator—Sheets of drywall, joint compound, and tape for any room→ Wallpaper Calculator—Rolls needed using the drop method with pattern repeat and door offsets→ Carpet Calculator—Square yards, pad, and installed cost for multiple rooms at once→

Roofing & Exterior

4 tools
Roofing Calculator—Roof squares, shingle bundles, and cost for gable, hip, shed, and flat roofs→ Fence Calculator—Posts, rails, and pickets for wood privacy, picket, and chain link fences→ Paint Calculator—Gallons needed for any room — walls, ceiling, and trim with waste factor→ Insulation Calculator—Bags or rolls for walls, attics, and floors with DOE R-value recommendations→

Landscaping & Outdoor

5 tools
Mulch Calculator—Cubic yards, bags, and cost for garden beds with bulk vs. bag comparison→ Pool Calculator—Pool volume in gallons, fill time, water cost, and starting chemical doses→ Paver Calculator—Pavers, gravel base, and bedding sand for any patio or walkway→ French Drain Calculator—Gravel tonnage, perforated pipe, and landscape fabric for any drainage trench→ Deck Calculator—Complete material list — boards, joists, posts, concrete, and hangers→