Construction material calculators
Work out how much material you actually need — including waste, overlaps and real jobsite allowances. Free, no sign-up.
Sheet A · 8
Concrete, masonry & outdoor work
Concrete volumes, masonry, paving, plaster and groundwork calculations.
Concrete calculator
Free concrete calculator: get cubic yards or m³, number of premix bags (40/60/80 lb), or t…
Brick & block calculator
Free brick and block calculator: bricks per wall with mortar joints, openings subtracted, …
Paver calculator
Free paver calculator: how many pavers for a patio or driveway, gravel base depth in tons,…
Plaster & render calculator
Free plaster and render calculator: cement render, gypsum plaster or skim coat by area and…
Rebar calculator
Free rebar calculator: total bar length and weight for a slab by size and spacing, sto…
Floor screed calculator
Free floor screed calculator: volume by area and thickness, cement and sand for site m…
Retaining wall calculator
Free retaining wall calculator: blocks and cap units by wall size, compacted gravel ba…
Gravel calculator
Free gravel calculator: cubic yards or m³ and tons of crushed stone, pea gravel, sand,…
Sheet B · 5
Finishes & interiors
Plan paint, tile, drywall, wallpaper and floor coverings.
Paint calculator
Free paint calculator: liters or gallons for walls and rooms, openings subtracted, number …
Tile calculator
Free tile calculator: number of tiles for floor or wall, thinset mortar bags by trowel siz…
Drywall calculator
Free drywall calculator: 4×8 or 4×12 sheets for walls, studs by spacing, screws, joint com…
Wallpaper calculator
Free wallpaper calculator: rolls by room perimeter and height, pattern repeat included, st…
Flooring calculator
Free flooring calculator: boxes of laminate, vinyl plank or hardwood by room size and…
Sheet C · 5
Roof, insulation & structures
Roofing, decks, insulation, stairs and fencing tools.
Decking calculator
Free decking calculator: number of deck boards by width and gap, joists by spacing, and sc…
Roofing calculator
Free roofing calculator: roof area from footprint and pitch, squares, shingle bundles,…
Insulation calculator
Free insulation calculator: area and volume of mineral wool, EPS or XPS, achieved R-va…
Stair calculator
Free stair calculator: number of steps, riser height and tread depth from total rise,…
Fence calculator
Free fence calculator: posts by spacing, rails, boards or panels, screws and concrete f…
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Built from real construction work
MaterialCalc is developed by Igors Beļavskis, a construction contractor in Latvia. Calculators include practical waste allowances, but every result remains a planning estimate and should be checked against the selected product and local requirements.