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To determine how many bags of concrete you need for a 10 x 10 slab, first calculate the volume: a 4-inch thick slab is 10 x 10 x (4/12) = 33.3 cubic feet. A typical 80-pound bag of concrete covers about 0.6 cubic feet. Dividing 33.3 by 0.6 means you would need approximately 56 bags of concrete for that size slab.
A 10-foot round slab at 4 inches requires 1 cubic yard.
A minimum of 1.3 cubic yards.
8 square yards
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To determine how many bags of concrete you need for a 10 x 10 slab, first calculate the volume: a 4-inch thick slab is 10 x 10 x (4/12) = 33.3 cubic feet. A typical 80-pound bag of concrete covers about 0.6 cubic feet. Dividing 33.3 by 0.6 means you would need approximately 56 bags of concrete for that size slab.
10-ft x 30-ft x 4-in = 100 cubic ft.That slab weighs 3.7 times as much as 1 "yard" of concrete. (rounded)
A 10-foot round slab at 4 inches requires 1 cubic yard.
A minimum of 1.3 cubic yards.
10 cm = 0.1 meterThe volume of the slab is (6 x 8 x 0.1) = 4.8 cubic meters
what is a concrete laborer's salary
Depends on the length of the hole.
To calculate the volume of a concrete slab, multiply its dimensions: length, width, and depth. For a slab measuring 3 feet by 10 feet by 4 inches, first convert the depth to feet (4 inches = 1/3 feet). The volume is then 3 ft × 10 ft × (1/3 ft) = 10 cubic feet. Since there are 27 cubic feet in a cubic yard, divide 10 by 27, resulting in approximately 0.37 cubic yards of concrete needed for the slab.
8 square yards
You'll need 1.23 Cubic Yards.
A two-inch slab is fundamentally unsound because it's not thick enough. So...go with at least a three inch slab. For a 16-foot x 14-foot x 3-inch slab: The slab is 224 square feet. Divide by four and you get 56 cubic feet. Add 10 percent (because the bottom isn't flat) and you come up with 61.6 cubic feet. There are 0.6 cubic feet in an 80-pound bag, so you need 103 bags. Do not do it this way. It will cost you more money and the pour will be weak and look terrible. You need 2-1/2 yards of concrete from a concrete company. If you make the slab 4 inches thick, you will need 3 yards and that's better because concrete companies don't like to deal in half-yard increments.