Construction & Home Calculators
Concrete, tile, paint and materials.
Estimate materials for home projects: concrete volume and bags, tile and paint coverage, mulch and gravel, roofing squares, stairs and BTU sizing.
BTU CalculatorEstimate the cooling capacity (BTU/hr and tons) needed for a room.Concrete CalculatorEstimate the concrete needed for a slab from its length, width and thickness.Gravel CalculatorEstimate the volume and weight of gravel needed to cover an area at a given depth.Lumber / Board Feet CalculatorCalculate board feet of lumber from thickness, width and length, with an optional cost estimate.Mulch CalculatorEstimate how much mulch you need to cover a bed at a given depth.Paint Coverage CalculatorEstimate how many cans of paint you need for a wall area and number of coats.Roofing CalculatorEstimate roofing area, squares and shingle bundles from the building footprint and roof pitch.Square Footage CalculatorFind the area of a rectangular space and optionally its total material cost.Stair CalculatorWork out the number of steps, riser height, total run and stringer length for a staircase.Tile CalculatorFind how many tiles you need to cover a room, including extra for cuts and waste.