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Construction Calculators
6 calculators
Area, tile, paint and building calculators
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Area Calculator
Calculate area and perimeter for rectangles, circles, triangles and trapezoids in sq ft and sq m.
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Paint Calculator
Calculate how much paint you need for a room based on dimensions, doors, windows and coats.
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Tile Calculator
Calculate how many tiles you need for a floor or wall area with waste allowance and box count.
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Concrete Mix Calculator
Calculate cement bags, sand and gravel needed for a concrete slab using standard 1:2:3 mix ratio.
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Cubic Feet Calculator
Calculate cubic feet from length, width and height. Convert to cubic yards, cubic meters, liters and gallons.
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Board Foot Calculator
Calculate board feet for lumber. Enter thickness, width, length and quantity to find total board feet and cost.