Construction & Home calculators for framing, roof pitch, square footage, board feet, tank volume, gravel, sand, pipe volume, ramps, and beam deflection.
Decking Calculator
Use this decking calculator to estimate deck boards needed, board rows, boards per row, deck area, waste allowance, purchased board length, and optional material cost.
Use this asphalt calculator to estimate asphalt volume, cubic yards, short tons, metric tonnes, waste allowance, and material cost for driveways, paths, parking areas, and paving projects.
Use this wallpaper calculator to estimate wallpaper rolls, strips, wall area, pattern repeat allowance, waste allowance, and material cost for room wallpaper projects.
Use this insulation calculator to estimate wall and ceiling insulation area, packages needed, waste allowance, purchased coverage, extra coverage, and material cost.
Use this room size calculator to find floor area, wall area, ceiling area, room volume, perimeter, trim length, and total surface area for one or more rooms.
Use this air conditioner size calculator to estimate AC capacity in BTU/hr, tons, and kW from room size, ceiling height, sunlight, insulation, climate, occupants, and heat load.
Use this door and window area calculator to find total opening area, door area, window area, perimeter, and average opening size for construction and material estimates.
Use this BTU Calculator to estimate room heating or cooling capacity in BTU/hr from room size, temperature difference, insulation, exposure, extra heat load, and safety margin.