Calculate concrete needed for slabs, footings, and posts. Free concrete yardage calculator with bag equivalents.
Estimate the deck boards, joists and screws for a timber deck, including the gap between boards and a waste allowance.
Estimate the plasterboard sheets, screws, joint tape and compound needed to board out a room, including waste allowance.
Estimate monthly and yearly electricity costs
Estimate your monthly electricity costs based on appliance wattage.
Work out how many posts and panels your fence needs, how deep to set the posts, and how much postcrete or concrete to buy.
Calculate flooring materials needed for any room. Free flooring calculator for hardwood, tile, carpet, and laminate with waste allowance.
Calculate how much gravel you need for landscaping projects
Calculate how much home you can afford based on income
Work out how much insulation you need and how thick it has to be to hit a target R-value or U-value, for lofts, walls and floors.
Estimate the cost of moving to a new home
Calculate how much paint you need for any room. Free interior paint calculator estimates gallons or liters needed based on room dimensions, doors, windows, and coats.
Free roofing calculator: estimate roof surface area, number of shingles or tiles, and material costs for your project.
Free solar payback calculator. Enter installation cost, annual production and your electricity price to see annual savings, payback period and the 25-year net gain.
Calculate area and cost for flooring, painting, or tiling
Work out the number of steps, the exact rise and going, and the stringer length for a staircase — with a comfort check against the 2R+G rule.
Free tile calculator. Enter your room and tile size to work out how many tiles and boxes to buy, including a waste allowance for cuts.
Work out how many rolls of wallpaper you need for a room. Handles pattern repeat, doors and windows, and tells you how many drops you get per roll.