Construction material calculators
Work out how much material you actually need — including waste, overlaps and real jobsite allowances. Free, no sign-up.
Calculators
🏗️ 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, …
🎨 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…
🧩 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…
📐 Drywall calculator
Free drywall calculator: 4×8 or 4×12 sheets for walls, studs by spacing, screws, joint com…
🪵 Decking calculator
Free decking calculator: number of deck boards by width and gap, joists by spacing, and sc…
🎀 Wallpaper calculator
Free wallpaper calculator: rolls by room perimeter and height, pattern repeat included, st…