Construction Calculators
Concrete, paint, tiles & more
Concrete Calculator
Cubic yards or meters of concrete needed for slabs, footings and columns — with bags count.
Paint Calculator
Gallons of paint for a room from wall dimensions, doors, windows and coat count.
Tile Calculator
Number of tiles and boxes for any floor or wall area, including cuts, breakage and pattern waste.
Roofing Calculator
Roof squares and material bundles from footprint area and pitch, with waste factor.
Gravel Calculator
Tons or cubic yards of gravel for driveways and paths, with depth and compaction allowance.
Mulch Calculator
Bags or cubic yards of mulch to cover beds at the right depth.
Fence Calculator
Posts, rails and pickets for a straight fence run from length, spacing and height.
Stair Calculator
Riser height, tread depth and stringer layout from total rise and available run.
Electricity Cost Calculator
Running cost of any appliance from wattage, hours used and your utility rate.
About construction calculations
Construction calculators for concrete volumes, square footage, flooring, paint coverage, tiles, roofing, gravel, mulch, fencing and stair layout — with waste allowances built in.