Construction Calculators (JA)
18 free construction calculators — instant, private, no sign-up
Brick & Block Calculator
Calculate total modular bricks or cinder blocks, mortar bags, and sand required for masonry walls.
ツールを開く →Cement & Mortar Calculator
Calculate exact cement bags, sand, and aggregate volume for standard concrete and mortar mixes.
ツールを開く →Concrete Calculator
Calculate concrete volume in cubic yards, cubic meters, and 60lb/80lb bags needed for slabs, footings, and columns.
ツールを開く →Cubic Yards Volume Calculator
Calculate cubic yards and cubic feet of material needed for landscape mulch, topsoil, gravel, and concrete slabs.
ツールを開く →Drywall Calculator
Calculate drywall sheets, joint compound buckets, screws, and tape needed for any room perimeter.
ツールを開く →Fence Post, Rail & Picket Calculator
Calculate exact fence posts, horizontal 2x4 rails, vertical wood pickets, and quick-set concrete bags needed for your yard perimeter.
ツールを開く →Flooring Calculator
Calculate hardwood, laminate, or vinyl plank flooring area, box counts, and material budget with waste margins.
ツールを開く →Gravel & Crushed Stone Calculator
Calculate gravel and crushed stone volume in cubic yards, cubic meters, and tons for driveways, landscaping, and drainage.
ツールを開く →Mulch & Bark Calculator
Calculate mulch volume in cubic yards and 2 cu ft / 3 cu ft bags needed for garden beds, tree rings, and landscape borders.
ツールを開く →Paint Calculator
Estimate paint gallons or liters needed for interior and exterior walls with door and window deductions.
ツールを開く →Roofing Shingle Calculator
Calculate total roof surface area, roof squares, shingle bundles, and underlayment rolls with pitch slope factor.
ツールを開く →Sand Volume & Weight Calculator
Calculate sand volume and weight in cubic yards, tons, and 50 lb bags for pavers, sandboxes, mortar, and concrete bedding.
ツールを開く →Slope & Roof Pitch Calculator
Calculate slope gradient, pitch in 12, grade percentage, incline angle in degrees, and ramp hypotenuse length.
ツールを開く →Square Footage & Multi-Room Calculator
Calculate total square footage (sq ft) and square meters (sq m) for multi-room floor plans with waste allowances.
ツールを開く →Stair Stringer, Riser & Tread Calculator
Calculate stair rise, run, stringer length, number of steps, and incline angle with standard building code (IRC) safety compliance.
ツールを開く →Tile Calculator
Estimate total floor or wall tiles, box quantities, grout width, and waste percentage accurately.
ツールを開く →Topsoil & Garden Bed Calculator
Estimate topsoil and garden compost volume in cubic yards, cubic meters, tons, and 40 lb bags for lawns, raised beds, and grading.
ツールを開く →Wallpaper Rolls & Coverage Calculator
Calculate exact wallpaper single & double rolls needed for any room with pattern repeat matching and opening deductions.
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