Construction Calculators
Area, volume, materials
Plan your build with accurate material estimates. Calculate area, volume, paint coverage, flooring quantities, roofing materials, drywall, concrete, gravel, lumber, and more. Our construction calculators help you order the right amount the first time — saving money and avoiding waste.
Area Calculator
Calculate area of rectangles, circles, triangles, and more.
Volume Calculator
Calculate volume of cubes, cylinders, spheres, and more.
Concrete Calculator
Calculate concrete volume needed for slabs, footings, columns.
Paint Calculator
Calculate how much paint you need for walls and ceilings.
Flooring Calculator
Calculate flooring, tile or carpet needed for any room with waste factor.
Fence Calculator
Calculate posts, panels and materials needed for fencing any perimeter.
Gravel & Mulch Calculator
Calculate volume, weight and cost of gravel, mulch, sand or topsoil.
Wallpaper Calculator
Calculate how many wallpaper rolls you need for a room.
Lumber Calculator
Calculate board feet and lumber quantities for any project.
Stair Calculator
Calculate stair riser height, tread count and stringer length to building code.
Roofing Calculator
Calculate roof area, squares, shingles, and underlayment for any roof shape.
Drywall Calculator
Calculate drywall sheets, screws, joint compound, and tape for any room.