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- Square Footage CalculatorArea of a room or lot in square feet from its dimensions
- Concrete CalculatorVolume of concrete and number of bags for slabs, footings and columns
- Paint CalculatorHow much paint you need for your walls, from area, coats and coverage
- Tile & Flooring CalculatorHow many tiles, planks or boxes you need for a floor, with waste allowance
- Mulch, Gravel & Soil CalculatorVolume and weight of mulch, gravel or soil for an area and depth
- Lumber Calculator (Board Feet)Board feet, cost, and the actual size of nominal lumber like 2×4
- Air Conditioner Size CalculatorThe cooling capacity a room needs, in BTU per hour and kW, from its area and conditions
- Wallpaper CalculatorHow many rolls of wallpaper a room needs, from wall sizes, roll size and pattern repeat
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