AC BTU CalculatorAir conditioner or heat pump size for a room, in BTU, tons and kW.Asphalt CalculatorTons or tonnes of hot-mix asphalt for a driveway, path or parking pad.BTU CalculatorHeating BTU/hr and kW for a room from its size, ceiling height, insulation and climate.Baseboard and Trim CalculatorLinear feet or meters and number of pieces of baseboard or crown molding.Board Foot CalculatorBoard feet, cost and cubic volume for any number of boards.Brick CalculatorBricks and mortar for a wall, with openings, joint size and waste.Carpet CalculatorSquare yards, square feet and roll length of carpet for a room.Concrete Block CalculatorCMU blocks for a wall, course by course, plus premixed mortar bags.Concrete CalculatorCubic yards, cubic meters and bag counts for slabs, patios and pads.Cubic Yard CalculatorCubic yards, cubic feet and m³ for any rectangle or circle and depth.Deck CalculatorDeck boards, linear feet, joists and screws for a rectangular deck.Deck Stain CalculatorGallons of deck stain for the floor, railings and stairs.Drywall CalculatorSheets of drywall or plasterboard for walls and ceilings, plus screws.Electricity Cost CalculatorDaily, monthly and yearly kWh and cost of running any appliance.Epoxy Floor CalculatorGallons or liters of garage floor epoxy and kits for any number of coats.Exterior Paint CalculatorGallons or liters of paint for house siding, gables and coats.Fence CalculatorPosts, rails and pickets for a wood picket or privacy fence.Fertilizer CalculatorPounds or kg of lawn fertilizer to apply for a target amount of nitrogen.Firewood CalculatorCords, face cords and steres in a stack of firewood, plus its value.Flooring CalculatorSquare footage and boxes for laminate, vinyl plank and hardwood, plus trim length.Generator Wattage CalculatorRunning and starting watts for the appliances you need during an outage.Grass Seed CalculatorPounds or kilograms of grass seed for a new lawn or overseeding, by grass type.Gravel CalculatorCubic yards, tons and bags of gravel, crushed stone, sand or topsoil.Grout CalculatorPounds or kilograms of grout and bags from tile size, thickness and joint width.Heat Loss CalculatorRoom heat loss in BTU/hr or watts from walls, windows, ceiling, floor and air leaks.Insulation CalculatorThickness and bags or batts of insulation to reach a target R-value.Joint Compound CalculatorGallons of drywall mud and feet of tape from area or number of sheets.Mulch CalculatorCubic yards, cubic meters and bag counts for garden beds at any depth.Paint CalculatorGallons or liters for walls and ceilings, with doors and windows removed.Paver CalculatorPavers for a patio or path, plus gravel base and bedding sand.Plywood CalculatorSheets of plywood or OSB for subfloors, wall sheathing and roof decks.Pool Volume CalculatorGallons or liters in a rectangular, round or oval pool, with sloped bottoms.Post Hole Concrete CalculatorConcrete and bags for fence or deck post holes, less the post.Rafter Length CalculatorCommon rafter length, overhang, plumb cut angle and number of rafters.Rainwater Harvesting CalculatorGallons or liters of rainwater a roof can collect, and barrels to store it.Raised Bed Soil CalculatorCubic feet, cubic yards, liters and bags of soil to fill raised garden beds.Rebar CalculatorRebar grid for a slab: bars each way, laps, total length and weight.Retaining Wall CalculatorRetaining wall blocks, caps and drainage gravel for a block wall.Roofing CalculatorRoof area, squares and shingle bundles from the house footprint and pitch.Siding CalculatorSquares and square feet or m² of siding for walls and gables.Sod CalculatorSquare feet, rolls and pallets of sod for a new lawn, with waste for curves and edges.Space Heater Cost CalculatorWhat a space heater costs to run per hour, day and month at your electricity rate.Square Footage CalculatorArea of rectangles, circles and triangles in sq ft, sq yd, m² and acres.Stair CalculatorRisers, treads, riser height, total run, stringer length and stair angle.Stud CalculatorWall studs at 16 or 24 in (400 or 600 mm) centers, plus plates.Thinset CalculatorBags of thinset mortar by area and trowel notch size, with back-buttering.Tile CalculatorNumber of tiles and boxes for floors and walls, with waste for your layout pattern.Wallpaper CalculatorRolls of wallpaper by room size, roll type and pattern repeat.