Construction Calculators 🏗️

Free calculators for every construction project — from estimating concrete and lumber to roofing, framing, flooring, and landscaping. All 30 tools organized by trade so you can find what you need fast.

30 Calculators

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

5 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→ 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→