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How many square yards in a 20x18 feet 3 inches thick

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12y ago

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How much concrete will you need for a 18 foot by 32 foot slab?

18x32 feet by 4 inches thick: 7.1 cubic yards. For a 6-inch slab, 10.7 cubic yards.


How much concrete is needed for a slab 9 square feet and 4 inches thick?

A 9x9 foot slab 4 inches thick requires a minimum of 1 cubic yard. If you go to 6 inches thick you will need 1.5 cubic yards.


How many yards in a 10x11 concrete slab?

4.074 cubic yards for every foot the slab is thick.


How much concrete do you need for a slab 10 foot by 10 foot by 4 inches?

A minimum of 1.3 cubic yards.


How much concrete is needed for a floor 30 foot by 80 foot 4 inches thick?

It depends on the concrete company you're working with. You need 33 yards of concrete. Concrete companies deliver the stuff in full truckloads - and no, this is NOT a job for Sakrete. If you can find a company that has Oshkosh front-load mixers, you'll need three truckloads because those trucks hold 11 yards. If you can only find companies with rear-load mixers, you need 36 yards because a rear-load mixer holds 6 yards of concrete.


What is the wideth of a 30 foot long concrete walkway that covers an area of 15 yards squared?

18 inches


How many pounds is a piece of concrete one foot by one foot and twelve inches thick?

Is the concrete filled with pebble or lightweight foam? This is really an impossible question. Not enough data.


How many yards of concrete will cover 700 square feet at 6 inches thick?

1 cubic yard = 27 cubic feet700 square feet x 1/2 foot = 350 cubic feet = 1226/27 cubic yards(12.963 cubic yards, rounded)


How many yards of concrete will it take for a 12' x 12' slab?

A 12 foot by 12 foot slab would be 3.5 inches thick. It would total 1.555555 yards mathematically. It is recommended to add 5% error to the mix and round up to the nearest half yard. If you order this then order 2 yards and expect overage.


How much concrete for a 5 foot wide x 5 foot long 4 inch thick sidewalk?

You will need a minimum of 2.42 cubic yards of cement.


How many yards of concrete in 900 sf?

To calculate the amount of concrete needed for a 900 square foot area, you first need to determine the thickness of the concrete slab. Once you have the thickness in inches, divide it by 36 to convert to yards. Then divide the total cubic yards by the number of cubic yards in a concrete truck to determine how many truckloads you need.


What is the cost per square foot to pour concrete 6 inches thick?

10.00 dollars per square foot plus permit cost.