Use the formula. Calculating the volume for concrete requires using three dimensions: length times width (which is area) times the height (thickness) or L x W x H. If you are using feet as your standard unit of measurement, this formula will give you the volume of concrete in cubic feet.
How much cement do I need for a 12x12 slab?
Regarding this, “how much concrete do I need for a 12×12 slab?”, at 4 inches thick, generally you will need approximately 1.76 cubic yards or 47.52 cubic feet or 1.35 m3 (either 104 bags of 60lb or 80 bags of 80lb) of premixed concrete for a 12×12 slab, at 5 inches thick slab, 2.22 cubic yards or 59.90 cubic feet or …
How many yards of concrete do I need for a 24x24 x4 slab?
For example, for a concrete slab that is 24′ X 24′ X 4”, simply enter 4 in the Thickness/Depth field, 24 in the Width field, and 24 in the Length field. Click “Calculate”. Your answer should be 7.11 yards. Note: The Concrete Volume Calculator can also be used to determine yardage for aggregate products.
How do you figure a yard of concrete for a slab?
- Measure the area in feet.
- Multiply length by width, and then by thickness.
- Divide the resulting number by 27 to find cubic yards.
How many yards of concrete do I need for a 10x10 slab?
The amount you will need for a 10 x 10 slab is 1.3 cubic yards, we always add an extra 10% to allow for any slab depth variations or spills that may occur.
How many bags of concrete do I need for a 10x10 slab 4 inches thick?
The average thickness of a 10′ x 10′ concrete slab for a shed is 4 inches thick. At 4″ thick, your 10 x 10 slab will take 56 bags of concrete that weigh 80 lbs.
How thick does a concrete slab need to be?
Standard concrete floor slab thickness in residential construction is 4 inches. Five to six inches is recommended if the concrete will receive occasional heavy loads, such as motor homes or garbage trucks. To prepare the base, cut the ground level to the proper depth to allow for the slab thickness.
How many square feet is a yard of concrete 6 inches thick?
One Cubic Yard of Concrete: 4-inches thick – covers 81 square feet. 5-inches thick – covers 65 square feet. 6-inches thick – covers 54 square feet.How many cubic yards does a 80 pound bag of concrete cover?
80 pound bag yields .022 cubic yards.
How much does a 24x30 concrete slab cost?A 24×30-foot slab covers 720 square feet. With an average price of $6 per square foot, you may pay about $4,320 for a slab foundation. However, the price can range from $4 to $8 per square foot, resulting in a total cost between $2,880 and $5,760.
Article first time published onWhat is the cost of 1 yard of concrete?
The average cost of a yard of concrete in the U.S. is between $113.00 and $147.00. Prices vary depending on what PSI strength you order. A cubic yard of concrete covers 81 square feet at 4 inches thick. The cost of concrete for a 4″ slab costs between $1.40 and $1.80 per square foot.
How much does 2 yards of concrete cost?
Cubic YardsPrice Range1*$140 – $2002*$280 – $4003*$420 – $6004*$560 – $800
How much does 4 yards of concrete cost?
Cubic YardsMixing On-site Fees4 – 4.75$803 – 3.75$902 – 2.75$1001 – 1.75$110
How do I calculate square feet into yards of concrete?
To convert square feet to cubic yards, you simply multiply your square footage figure by the height or depth of the area (in feet) to get a volume measurement in cubic feet. You then divide the total by 27 to get your measurement in cubic yards.
How many bags of concrete do I need for a 4x6 slab?
To determine how many bags of concrete you will need, divide the total cubic yards needed by the yields, at 6 inch thick, for a 4×6 slab you will need 0.444 yards of concrete, so number of 80lb bag of concrete = 0.444 ÷ 0.022 = 20 bags, No. of 60lb bag = 0.444 ÷ 0.017 = 26 bags and No.
How many bags of concrete do I need for a 10x8 slab?
Regarding this, “how many bags of concrete do I need for a 10×8 slab?”, at 4 inches thick, generally you will need approximately either 58 bags of 60lb or 45 bags of 80lb of premixed concrete for a 10×8 slab, at 5 inches thick slab, either 73 bags of 60lb or 56 bags of 80lb premixed concrete are required, while at 6 …
How much concrete do I need for a 10x12 slab?
Regarding this, “how many bags of concrete do I need for a 10×12 slab?”, at 4 inches thick, generally you will need approximately either 86 bags of 60lb or 67 bags of 80lb of premixed concrete for a 10×12 slab, at 5 inches thick slab, either 109 bags of 60lb or 84 bags of 80lb premixed concrete are required, while at 6 …
How many 80 pound bags of quikrete are in a yard?
One 80lbs bag of Quikrete Concrete Mix will yield approximately . 60 cu ft. So it will take 45 bag to equal one cubic yard of concrete. If you have a project over a 1/2 a cubic yard you should consider our Mix On-site Concrete especially if you are hand mixing.
Is gravel needed under concrete?
Whether you pour concrete for a walkway or patio, a strong gravel base is required to prevent the concrete from cracking and shifting. Gravel is especially important in clay soil because it doesn’t drain well, which results in water pooling under the concrete slab and slowly eroding the soil as it finally drains.
How much does it cost to pour a 10x10 concrete slab?
To pour a typical 10×10 concrete slab will cost $670 to $930, a 12×12 slab for a patio will cost $796 to $1,476, a 20×24 driveway slab runs between $1,440 and $3,360, and a 24×24 slab for a garage will cost $3,058 to $5,944. Get free estimates from concrete companies near you.
Does a 4 inch slab need rebar?
The thickness of rebar should be no more than 1/8 that of the slab, so a 4” slab shouldn’t have steel greater than #4 or 1/2″ bar. It’s best to check with a Structural Engineer if your slab will bridge or cantilever. What is this? For 4” concrete slabs used for driveways and patios, #3 rebar is common.
How many cubic feet are in a 60 pound bag of concrete?
30 cubic feet, 60 pounds of concrete mix yields . 45 cubic feet and an 80-pound bag yields . 60 cubic feet. One 50-pound bag of Quikrete Fast Setting Concrete Mix yields about .
How many sq ft does a bag of concrete cover?
How many square feet will a 60 lb bag of concrete do? @ 2″ thick a 60 lb bag of concrete will fill 2.7 sq. ft. @ 4″ thick a 60 lb bag of concrete will fill 1.35 sq.
How many square feet is 80 lbs of concrete?
Helpful? A: Each 80-pound bag of QUIKRETE® Concrete Mix will yield approximately 0.6 cubic feet when mixed. For an area of 22 feet by 20 feet at 3-1/2” thick, you will need 128-1/3 cubic feet of concrete, or 214 80-pound bags. Yields will vary with waste, uneven subgrade, etc.
How many bags of concrete is 3.5 cubic feet?
I have a mixer that is advertised as being 3.5 cubic feet. My experience is that this mixer will handle up to two 60 pound bags or one and a half 80 bags at a time; anything more, and mix will spill out of the mixer when it is trying to mix the mix. 120 pounds of concrete mix makes about 0.9 cubic feet of concrete.
How many wheelbarrows are in a yard of concrete?
Depending upon your wheelbarrow size (i.e. 2 or 3 cubic feet per wheelbarrow load), it will take 9 to 14 full loads to equal 1 cubic yard.
How much does a 60lb bag of concrete cover?
60lb bag of concrete A 60 lb bag of concrete is premixed of cement, sand and gravel as concrete which yields 0.45 cubic feet volume that is approximately equal as 0.017 cubic yards and it will cover around 1.8 square feet area of upto standard depth of 3 inch for your Patio or sidewalk.
What is the cost of 10 yards of concrete?
CUBIC YARDSAVERAGE COSTTYPICAL COST RANGE10$1,600$1,040 to $1,44015$1,760$1,560 to $2,16020$1,920$2,080 to $2,88025$2,080$2,600 to $3,600
How many yards of concrete does a concrete truck hold?
Concrete trucks weigh an average of 25,000 lbs. by themselves and up to 40,000 lbs. when carrying a full load. Their capacity is around 8 cubic yards, but can be up to 10 cubic yards if fully-loaded.
What is ideal temperature to pour concrete?
Experts agree—the best temperature to pour concrete is between 40° – 60°F. When temperatures dip below 40°F, the chemical reactions that strengthen concrete slow down and can lead to weaker concrete.
How much would a 40x60 concrete slab cost?
How much does a 40×60 concrete slab cost? It would be about $8,500 to $12,000 for a 40×60 foot concrete slab, 6 inches thick. That’s based on national averages of around $5 per square foot for a fully engineered, finished concrete slab, including labor and materials.