Construction
Square footage, concrete, paint, roofing, flooring, carpet, wallpaper, tile, drywall, decks, stairs, rebar, brick, fences, gravel, tanks, board feet and room AC size.
22 tools
- Square Footage CalculatorFind the area of a rectangle, circle or triangle in square feet, square meters and square yards.
- Concrete CalculatorWork out how much concrete a slab, footing or round column needs, in cubic yards and premix bags.
- Mulch, Gravel & Topsoil CalculatorFind how many cubic yards or bags of mulch, gravel or topsoil cover an area at a given depth.
- Roofing CalculatorTurn a roof's footprint and pitch into roof area, roofing squares and shingle bundles.
- Flooring CalculatorFind how many boxes of flooring a room needs, with extra for waste and an optional cost.
- Tile CalculatorCount the tiles and boxes for a floor or wall from its size, the tile size and the grout gap.
- Drywall CalculatorEstimate how many drywall sheets cover a room's walls and ceiling, after doors and windows.
- Deck CalculatorWork out the deck boards and joists for a rectangular deck from its size, board size, gap and joist spacing.
- Stair CalculatorFind the number of steps, riser height, total run, stringer length and angle for a straight stair, checked against the IRC limits.
- Rebar CalculatorLay out a rebar grid for a slab: bar count each way, total length, stock bars to buy and weight.
- Brick & Block CalculatorCount the bricks or concrete blocks for a wall from its size, the unit size and the mortar joint.
- Tank Volume CalculatorFind the capacity of a round or rectangular tank in gallons and liters, and how much liquid is in it at a given depth.
- Gravel & Road Base Calculator (Tons)Turn an area and depth into cubic yards and tons of road base, gravel, crushed stone, sand or topsoil.
- Cubic Yard CalculatorFind the volume of a rectangular or round area in cubic yards, cubic feet and cubic meters, measured in any units.
- Feet and Inches CalculatorAdd, subtract, multiply or divide lengths in feet, inches and fractions, like 5' 7 1/2" + 3' 9 3/4".
- Board Foot CalculatorFind the board feet in a stack of lumber from thickness, width, length and count, with an optional price.
- Fence CalculatorEstimate the posts, rails, pickets and concrete for a straight run of picket or privacy fence.
- Room AC Size Calculator (BTU)Find the window or room air conditioner size in BTU for a room, using ENERGY STAR's sizing chart and adjustments.
- Wallpaper CalculatorWork out how many rolls of wallpaper a room needs from wall width, height, roll size and pattern repeat.
- Carpet CalculatorFigure the square yards of carpet to buy off a 12- or 15-foot roll, the seams, and the total with pad and installation.