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Q: How much concrete you need for slab 8ft by 8ft by 4 inches thick?
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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 of concrete do you need for a 28x28 4 inches thick?

10 yards


How many yards of concrete do you need for a 35' x 3' x 5 inches thick?

1.62


120 square feet of concrete at 8 inches thick how many 80 pound bags of concrete will you need?

go to any search. and type in concrete calculater


How much concrete you need for slab 12ft by 10ft by 4 inches thick.?

12 ft x 10 ft x .333 ft (4 in) = 39.96 cu ft. You need enough concrete for 40 cubic ft.


How much concrete you need for slab 12ft by 10ft by 4 inches thick?

12 ft x 10 ft x .333 ft (4 in) = 39.96 cu ft. You need enough concrete for 40 cubic ft.


How much concrete do i need for 115 square feet?

It depends how thick you want it


How much concrete do you need for a walkway 4feet by 12 feet 4 inches thick?

Volume of concrete needed = 4 x 12 x 1/3 = 4 x 4 = 16 cubic feet


How much cubic meter of concrete will use for 1000sft slab?

For a 1000 sqft slab with a thickness of 4 inches, you would need approximately 33 cubic meters of concrete. This calculation is based on the assumption that 1 cubic yard of concrete covers 81 square feet at 4 inches thick.


How many yards of concrete will cover 20x20?

Depends on how thick it is. At 4 inches thick, you would nee about 5.5 cubic yards adjusting for safety. At 6 inches, you'd need about 8 cubic yards. You can play with different thicknesses with the linked concrete pad calculator.


How much concrete do you need for a 24x24 slab 8 in thick?

You will need at least 14 cubic yards.


How many bags of concrete is required to fill an area of 12 ft by 8 ft by 3 inches thick?

You need 1.16tonne. You need to know the weight of a bag of concrete and then divide 1.16 by that weight and that will give you the answer you need.