Home & DIY
Plan home and DIY projects with confidence: estimate paint, flooring, tile, mulch, concrete and other materials, size an air conditioner, and more.
Baseboard Calculator
Estimate linear feet and pieces of baseboard or trim for a room. Enter length and width, subtract doorways, set piece length and add waste.
BTU Calculator
Calculate the air conditioner BTU size for a room. Enter the room size and adjust for sun, occupants and a kitchen to find the right cooling capacity.
Concrete Calculator
Calculate concrete for a slab or footing. Enter length, width and thickness to get cubic yards plus 60 and 80 lb bag counts, with a waste allowance.
Deck Calculator
Estimate deck boards, joists and screws for a deck. Enter length and width, set board size, gap and joist spacing, and add waste for cuts.
Drywall Calculator
Estimate sheets of drywall for a room, plus screws and joint compound. Enter wall area or room size and height, add the ceiling, and set waste.
Fence Calculator
Estimate posts, sections, rails and pickets for a fence. Enter total length and post spacing, set rails per section and picket width, and add gates.
Flooring Calculator
Find how many boxes of flooring you need for a room. Enter length, width, box coverage and waste to get square footage, boxes and total cost.
Gravel Calculator
Estimate gravel or aggregate for an area by volume and weight. Enter length, width, depth and density to get cubic feet, cubic yards, pounds and tons.
Insulation Calculator
Estimate bags of insulation for an area. Enter the square footage, or the length and width, set the coverage per bag and add a small waste allowance.
Mulch Calculator
Find how much mulch you need for a garden bed. Enter length, width and depth to get cubic feet, cubic yards and the number of 2 and 3 cu ft bags.
Paint Calculator
Estimate how many gallons of paint you need for a room or wall. Enter dimensions, coats, doors and windows to get paintable area and gallons.
Roof Pitch Calculator
Calculate roof pitch from rise and run. Get the x:12 ratio, angle in degrees, slope factor and percent grade, plus rafter length for any horizontal run.
Sod Calculator
Estimate rolls and pallets of sod for a lawn. Enter the area length and width, set roll coverage and rolls per pallet, and add waste for cuts.
Square Footage Calculator
Calculate square footage for one room or many. Enter length and width in feet, inches, meters or yards to get total area in sq ft, sq m and sq yd.
Tile Calculator
Calculate how many tiles you need for a floor or wall. Enter the area and tile size with a waste allowance to get tiles and boxes to buy.
Topsoil Calculator
Calculate how much topsoil you need for a garden bed. Enter length, width and depth to get cubic yards, cubic feet, bags and approximate weight.
Wallpaper Calculator
Work out how many rolls of wallpaper you need for a wall. Enter wall size, roll size and pattern repeat to get strips per roll and rolls to buy.