Construction Tools

Construction & Engineering Tools

Estimate concrete, framing, drywall, and structural calculations with professional contractor accuracy.

Fast & Easy No Registration Works on Any Device

Construction & Engineering Tools

28 tools found

Slope, Grade & Fall Percentage Calculator

Calculate elevation fall, slope percentage, grade ratio, pitch, and angle for civil earthwork & drainage.

Paver & Patio Base Material Calculator

Estimate concrete pavers, crushed base gravel, bedding sand, and polymeric sand.

French Drain & Trench Volume Calculator

Estimate trench excavation, gravel backfill, perforated pipe, and filter fabric.

Retaining Wall Block Calculator

Estimate retaining wall blocks, cap stones, drainage gravel, and geogrid.

Topsoil, Mulch & Garden Bed Calculator

Estimate soil and mulch cubic yards, bags, and raised garden bed blends.

Gravel, Crushed Stone & Base Calculator

Estimate gravel tons, cubic yards, 50lb bags, and compaction margins.

Siding (Vinyl / Hardie) Calculator

Estimate vinyl and Hardie siding squares, boxes, planks, trim, and costs.

Gutter & Downspout Sizing Calculator

Estimate gutter linear footage, 10ft sections, downspout units, and hanger brackets.

Roof Pitch & Slope Angle Calculator

Convert rise & run to pitch ratio (X/12), angle in degrees, and area multiplier.

Roof Shingle & Underlayment Calculator

Estimate shingle bundles, roofing squares, synthetic underlayment, and nails.

Carpet Area & Roll Calculator

Estimate carpet square yards, roll linear cuts, cushion padding, and costs.

Hardwood & Laminate Flooring Calculator

Estimate flooring area, box counts, underlayment, perimeter baseboards, and costs.

Tile & Grout Calculator

Estimate floor and wall tiles, box counts, grout weight, thin-set mortar bags, and cost.

Concrete Slab & Footing Calculator

Calculate concrete volume in cubic yards and cubic meters, pre-mixed bags (40, 50, 60, 80 lb), rebar, and estimated material costs for slabs, footings, and round piers.

Header & Beam Span Estimator

Calculate door and window header sizes, drop girder beams, IRC Table R602.7(1) max spans, jack stud bearing, and cripples.

Insulation (Batt / Blown-in) Calculator

Calculate batt, roll, and blown-in cellulose or fiberglass insulation bags, target R-values (R-13 to R-60), eave baffles, and costs.

Plywood & Sheathing Calculator

Calculate 4x8 plywood and OSB sheets for roofs, walls, and subfloors with pitch multipliers, waste allowances, H-clips, and 8d nails.

Floor Joist Span & Quantity Calculator

Calculate floor joist count, maximum allowable spans (IRC code), rim joists, mid-span blocking, 3/4" subfloor sheathing, and fasteners.

Rafter Length & Roof Framing Calculator

Calculate common rafter line length, bird's mouth cuts, ridge board, overhang tails, roof pitch angle, collar ties, and total lumber takeoff.

Stud & Wall Framing Calculator

Calculate wall studs (16" or 24" O.C.), top and bottom plates, headers, king/jack studs, cripples, corners, and 16d framing nails with waste.

Drywall Sheet & Mud Calculator

Calculate drywall gypsum sheets (4x8, 4x10, 4x12, 54"), joint compound mud buckets, paper tape rolls, screws, and PVA primer with openings deductions.

Aggregate & Sand Mix Calculator

Calculate concrete aggregate, sand, gravel, and cement batch proportions by volume or weight, standard mix ratios (1:2:4, 1:2:3, 1:3:6), tonnage, bulk bags, and water requirements.

Rebar Weight & Spacing Calculator

Calculate rebar grid linear length, piece counts, total weight in lbs/kg/tons, lap splices, tie wire, and chairs for concrete slabs, footings, and walls.

Concrete Column & Pier Calculator

Calculate cubic yards, 50/60/80-lb bags, Sonotube forms, and rebar reinforcement for round piers, square columns, and bell footings.

Concrete Block (CMU) Wall Calculator

Calculate CMU block quantities, bond beams, grout core infill volume, vertical & horizontal rebar, and mortar bags for concrete block walls.

Brick & Block Quantity Estimator

Estimate exact brick counts, CMU blocks, story pole courses, pallets, weight tonnage, and mortar bags for masonry walls and veneers.

Mortar & Masonry Calculator

Calculate brick counts, CMU blocks, pre-mix mortar bags (70/80-lb), grout fill, sand, and cement for walls and veneers.

Concrete Steps & Stairs Calculator

Calculate cubic yards, 50/60/80-lb bags, formwork lumber, and rebar for solid, core-filled, and sloped concrete steps and stoops.

About Our Free Construction & Engineering Tools

Welcome to our comprehensive suite of Construction & Engineering Tools. All tools are engineered for lightning-fast performance, high precision, and absolute user privacy.

Unlike traditional web services that require account registration or cloud uploads, our online utilities run 100% locally in your web browser. No files or private data ever leave your device.