Home & Garden calculators
14 free toolsPaint, mulch, gravel and other home and garden calculators so you buy the right amount the first time.
Mulch CalculatorWork out how much mulch to buy for garden beds, borders and tree rings. Enter the area and depth to get cubic yards or cubic metres, the numHome & GardenCarpet CalculatorEnter each room’s length and width and the carpet roll width to find how much carpet you really need to buy — carpet comes off a 12 ft or 15Home & GardenDeck CalculatorWork out how many deck boards, joists and screws you need for a new deck. Enter the deck size, board width and length, gap and joist spacingConstruction & BuildingFlooring CalculatorAdd the rooms you are flooring, choose the layout — straight, staggered, diagonal or herringbone — and enter the coverage per box. The floorHome & GardenGrass Seed CalculatorFind out how many pounds (or kilograms) of grass seed to buy for a new lawn or for overseeding. Pick your grass type — tall fescue, KentuckyHome & GardenGravel CalculatorFind out how much gravel or crushed stone to order for a driveway, patio base, path or drainage. Get cubic yards or cubic metres, weight in Home & Garden
Lawn Fertilizer CalculatorEnter your lawn size, the three N-P-K numbers on the bag and how much nitrogen you want to apply. The calculator tells you how much fertilizHome & GardenPaint CalculatorWork out how much paint you need for a room or any wall area. Enter the room size, doors, windows, number of coats and the coverage on your Home & GardenPaver CalculatorWork out how many pavers to buy for a patio, path or driveway, and how much gravel base and bedding sand to put under them. Enter the area, Construction & BuildingRainwater Harvesting CalculatorFind out how much rainwater your roof can collect in a year or a month. Enter the roof area, your rainfall and roof type to get litres, cubiHome & GardenRaised Bed Soil CalculatorFind out how much soil mix you need to fill one or more raised garden beds, split into topsoil, compost and perlite or peat, with the numberHome & GardenSod CalculatorWork out how much sod (turf) to order for your yard. Enter the lawn area to get square feet or square metres with waste, the number of slabsHome & GardenTopsoil CalculatorWork out how much topsoil to order for a new lawn, garden bed, top-dressing or grading. Get cubic yards or cubic metres, weight in tons and Home & GardenWallpaper CalculatorWork out how many rolls of wallpaper to buy for a room or a feature wall. The calculator uses the professional strip (drop) method with yourHome & Garden