25 calculators

Construction & Geometry

Materials for a job, and the areas and volumes of every shape.

4.0 m3.0 m0.10 m
Concrete +5%1.26 m³20 kg bags140
m³ConcreteThe concrete for a slab or round columns, in cubic metres or yards and in premix bags.Top 100 · #72ft²Square footageThe area of a room or plot in square feet and square metres, with an optional cost.Top 100 · #73LPaintThe paint for a room's walls (and ceiling), less doors and windows, for the coats you will apply.Top 100 · #74GRVGravelThe gravel for a path, drive or base, in cubic metres or yards and by weight.BuildMULMulchThe mulch for a bed: the volume, the bags and the weight.BuildTSTopsoilThe topsoil for a lawn or bed, in cubic metres or yards and by weight.Build∠Roof pitchA roof's pitch from its rise and run: x in 12, the angle, the slope and the rafter multiplier.Top 100 · #78STRStairsRisers, treads, total run and stringer length for a straight stair, checked against typical code limits.Top 100 · #79TILTilesHow many tiles (and boxes) to cover a floor or wall, with a waste allowance.Top 100 · #75FLRFlooringThe boxes of laminate, vinyl or wood flooring for a room, with waste and an optional cost.Top 100 · #76BRKBricksThe bricks for a single-leaf wall from its size, the brick and the mortar joint.Top 100 · #77DWDrywallThe sheets of drywall (plasterboard) for a room's walls and ceiling.BuildFNCFencePosts, rails and pickets for a straight run of fence.BuildDCKDeckingThe deck boards and joists for a rectangular deck, with a waste allowance.Buildπr²Circle areaA circle's area, circumference and diameter from its radius, diameter or circumference.Top 100 · #80△Triangle areaA triangle's area from base and height, from three sides, or from two sides and the angle between them.Top 100 · #81▭Rectangle areaA rectangle's area, perimeter and diagonal from its length and width.BuildCYLCylinder volumeA cylinder's volume, capacity and surface area from its radius (or diameter) and height.Top 100 · #82SPHSphere volumeA sphere's volume, capacity and surface area from its radius or diameter.BuildCONCone volumeA cone's volume, slant height and surface area from its radius and height.BuildTNKTank volumeA tank's capacity and how much is in it, in litres and US gallons: upright or lying cylinders and boxes.Top 100 · #83SASurface areaThe total surface area of a box, cylinder, sphere, cone or square pyramid.Top 100 · #84PYRPyramid volumeA pyramid's volume from its square or rectangular base and its height.Build⏢Trapezoid areaA trapezoid's area from its two parallel sides and the height between them.Build▱Parallelogram areaA parallelogram's area from its base and height, and its perimeter and angle from the side.Build