how many square feet does one bag of concrete make?
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One 50-pound bag of Quikrete Fast Setting Concrete Mix yields about . 375 cubic feet. For example, if you need to cover 33.333 cubic feet, using 60-pound bags of concrete, divide 33.333 cubic feet by . 45 cubic feet to get 74.07 total bags of concrete.
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Originally Answered: How many 80-pound bags of concrete does it take to make a yard? 45 bags would give you 1 cubic yard of concrete.
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One cubic yard equals 27 cubic feet. A 40 pound bag of topsoil usually contains about .
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1 bag = 50 kg of cement. 1 m^3 = 35.3147 cubic feet.
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Multiply the square footage by the depth in feet to find the volume of the space in cubic feet. Volume is found by measuring length × width × depth. Finally, divide the cubic footage by 27 to find the volume in cubic yards. This is the amount of concrete needed.
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Originally Answered: How many 80-pound bags of concrete does it take to make a yard? An 80# bag of concrete mix yields about . 6 cubic feet of concrete. So one cubic yard of concrete requires about 45 bags of mix.
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A 80 lb. bag provides 0.6 cubic feet of cured concrete. If you have concrete delivered it is sold by the yard (which is a cubic yard = 27 cubic feet). 27 cubic feet/ 0.6 cubic feet = 45 bags.
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Quikrete's Concrete Mix yield's about . 15 cubic feet for every 20 pounds of mix, so a 40-pound bag yields . 30 cubic feet, 60 pounds of concrete mix yields . 45 cubic feet and an 80-pound bag yields .
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An odd way of looking at it but typically 1 25kg bag of cement would make approx 0.03m3 of mortar (using approx. 80–90kg of sand). This would allow you to build roughly 4m2 of blockwork assuming a standard 100mm(4inch) block was used. This would equal about 38 blocks.
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Choose the mixer size most appropriate for the size of the job to be done • Allow at least 1 cu ft (28 L) of mixer capacity for each 80 lb (36.3 kg) bag of QUIKRETE® Concrete Mix to be mixed at one time • For each 80 lb (36.3 kg) bag of QUIKRETE® Concrete Mix to be mixed, add approximately 6 pt (2.8 L) of fresh water ...
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Calculating from Volume Pure cement, sand and crushed rock all have about the same density, so a block of pure cement measuring 1 cubic yard of volume (about 3,600 pounds) will contain 45 bags of cement.
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one 20kg bag will cover an area of 1.1m2 to a depth of approximately 10mm. or 108 x 20kg bags equates to one cubic metre of mixed concrete.
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One Cubic Yard of Concrete: 4-inches thick – covers 81 square feet. 5-inches thick – covers 65 square feet.
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Example Calculation = 12 Area = 10 * 6 = 60 square ft Required depth to achieve R value needed = R 12 / R 3.6 = 3.3 inches Volume needed = 60sq ft * 0.275 (3.3 /12 converting to decimal ft) = 16.5 cubic feet You would need one bag in this case. Note: the cost is based on rounding up the number of bags needed.
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15 cubic feet for every 20 pounds of mix, so a 40-pound bag yields . 30 cubic feet, 60 pounds of concrete mix yields . 45 cubic feet and an 80-pound bag yields . 60 cubic feet.
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According to the table above, one cubic yard of concrete placed at a thickness of 5-inches covers 65 square feet. In a perfect universe, our 1,080 square foot driveway will need exactly 16.62 cubic yards of concrete (1,080 square feet / 65 square feet equals 16.62 cubic yards).
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The basic things you should know to calculate the volume of 1 bag of cement are, Density of cement = 1440 kg/ m³ 1 bag = 50 kg of cement. 1 m³ = 35.3147 cubic feet.