All Construction Calculators

40 active calculators covering structural, rough-in, finish, layout, electrical, plumbing, sitework, and project-template tasks. Pick one to get started - no account required for core use.

Roofing & Exterior

Start with roof or exterior measurements that can feed downstream material quantities.

• Roof Pitch & Rafter Calculator - Rise, run, pitch, rafter length, and roof area from supported inputs.
• Shingle Calculator → - Squares, bundles, and waste-adjusted roof-covering quantities.
• Sheathing Calculator → - Sheet count for roof or wall sheathing, based on area and sheet size.
• Birdsmouth Cut Calculator → - Heel, seat, and plumb-cut references for rafters.
• Hip and Valley Rafter Calculator → - Diagonal rafter length and angle references.
• Soffit and Fascia Calculator → - Linear footage and material planning for eaves.
• Gutter and Downspout Calculator → - Gutter run and downspout quantity planning.
• Siding Calculator → - Wall-area and accessory quantity estimates.

Framing, Panels, and Structures

• Framing / Lumber Calculator → - Stud count by wall length and spacing, plus plate and opening material.
• Header/Opening Material Calculator → - Header and opening material planning from entered openings.
• Board Foot and Lumber Quantity Calculator → - Board-foot and lumber quantity conversions.
• Plywood Panel Calculator → - Panel count from area, panel size, and waste.
• Shed / Barn / Pole Building Calculator → - Combines framing, siding, roofing, and concrete into one project template.

Concrete, Masonry, and Sitework

• Concrete Calculator → - Cubic yards for footings, slabs, piers, and rectangular pours.
• CMU Block Wall Calculator → - Block count and mortar planning for wall area.
• Trench Volume Calculator → - Excavation volume from length, width, and depth.
• Gravel Base Calculator → - Base material quantity from area, depth, and compaction assumptions.
• French Drain Calculator → - Pipe, fabric, and aggregate planning from trench dimensions.

Stairs, Decks, Ramps, and Railings

• Stair Stringer Calculator → - Rise, run, riser count, tread depth, and stringer length.
• Deck Framing Calculator → - Joist, board, beam, footing, and railing material planning.
• Railing Materials Calculator → - Post, rail, baluster, and spacing quantities.
• Ramp Calculator → - Ramp length and slope references.
• Ladder Angle Calculator → - Ladder setup distance and angle reference.

Electrical

• Electrical Load & Wire Calculator - Circuit load, voltage-drop, box-fill, outlet-count, and wire-planning references.
• Conduit Offset/Bend Calculator → - Offset bend shrink and travel references.
• Rolling Offset Calculator → - Three-dimensional conduit or pipe offset geometry.

Plumbing

• Plumbing Fixture Unit Calculator → - Drainage fixture unit and pipe-sizing references for supported fixtures.
• Drain Slope Calculator → - Fall, slope, and elevation-change references.

Interior Finish

• Drywall Calculator → - Sheet count by wall and ceiling area, with waste factor.
• Insulation Calculator → - R-value and cavity-depth planning references.
• Paint Calculator → - Gallons needed by wall area, coverage, and coat count.
• Flooring Calculator → - Material quantity and boxes by area, layout, and waste.
• Trim Calculator → - Linear footage for baseboard, casing, and crown molding.
• Tile Calculator → - Tile count and box quantity by area, tile size, and layout waste.
• Wallpaper Calculator → - Roll count from wall area, pattern repeat, and waste.
• Epoxy Coverage Calculator → - Coating gallons by area, coverage, and coats.
• Sealant/Caulk Calculator → - Tube count by joint length and bead size.

Layouts and Remodel Templates

• Room Layout Calculator → - Area, perimeter, and basic clearance planning.
• Cabinet Calculator → - Linear footage and cabinet-run planning.
• Bathroom Calculator → - Fixture clearance and layout reference for bath remodels.