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Assuming you are using a "builder's" yard = cubic yard:

3 ft = 1 yd

36 in = 1 yd

→ 110 ft × 5 ft × 4 in = 110 ÷ 3 yd × 5 ÷ 3 yd × 4 ÷ 36 yd ≈ 6.79 cu yds

Q: How many yards of concrete would it take for sidewalk 110 feet long 5 feet wide 4 inches thick?

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Figure about 1/2 cubic foot per 60 lb bag. The basic formula is to use equal amounts of cement, sand, and gravel. There are 27 cubic yards per cubic foot. It depends upon how thick you are planning to pour the concrete. For one foot thick, you would need 9 cubic feet of concrete. For 6" thick, you would need 4 1/2 cubic feet. I'll give you the answers for 1 ft thick and for 6" thick. For 1 foot thick, you need 9 cubic feet at 1/2 cubic foot per 60 lb bag equals 18-60 lb bags. That's six 60 lb bags of concrete, plus six 60 lb bags of sand, plus 360 lbs of gravel. For 6 inches thick, divide each of these by 2 to give 3-60 lb bags of concrete, 3-60 lb bags of sand, plus 180 lbs of gravel.

3.05 inches is 3.05 inches thick. If you would like it converted to another unit of measure, please specify. A common note card is 3 inches wide.

I think you mean 6 inches thick, not 6 feet thick. You would need 200 cubic feet, or 7.4 cubic yards.

252 cubic yardsI'm sure that the "7 thick" meant 7 inches thick.In that case, it will be 63 cu.ft. = 2.33333 cu.yds.Should the wall have an unlikely thickness of 7 feet, then the volume would be 28.0 cu.yds.(1 cu.yd. = 27 cu.ft.)

24 x 40 x 12in = 24ft x 40ft x 1ft = Volume = 24 * 40 * 1 = 960ft³ = 9.865yd³

Related questions

If you made a sidewalk about 2.5' wide it would be about 13' long.

Well, you make a sidewalk from concrete, not just cement. Concrete consists of cement, sand, gravel and water. You will need 5.5 cubic feet of concrete. A standard sidewalk grade of concrete would be 1 part cement, 2 parts sand, 3 parts gravel- so the sidewalk needs 0.91 cu ft of cement- about 87 pounds worth- plus sand and gravel. If you want to buy the premixed bags of concrete (like Sacrete), you will need about 17 of the 40 pounds bags. And you did not ask, but 3 inches is kind of skinny- I would go for at least a 4 inch thick sidewalk.

53 and 1/3 cubic feet, concrete is normally sold buy the cubic yard, this would be 1.975 cubic yards. Figure on 2.25 CU yards to be safe. You do not want to run short when pouring concrete.

No do to the concrete settling the concrete on top would split

30.81 cubic yards

8.25 cubic yards of concrete

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.

151/9 cubic yards for every 12 inches thick

1 cubic yard covers 324 square feet per inch of thickness, divide 324 by thickness in inches to get coverage, i.e. 4 inches thick would cover 324/4=81 square feet, 36 inches thick would cover (you guessed it) 9 square feet.

This will depend on what the use of the sidewalk is. It would not work in a busy urban area, but as a path in the garden it would work well.

A pad that is 4 inches think covers 80ish sq ft per yard, so 8 inch would be 40ish sq ft per yard of concrete

It is all dependant on how thick the concrete is. You take the square footage and turn that into cubed feet (where the thickness comes in) if its 1" thick you multiply the square footage by.083, if its 2" thick you multiply by.17. To come up with this number you take the thickness say 3" and divide that by 12 (12 inches in a foot), so for 3 inches you get .25. So back to the question at hand, say your 30 square feet of concrete is 6 inches thick, your equation would look like this: 30 X .5 = 15. So 15 is your cubed footage. You then multiply this number by 150 which is the weight in pounds of 1 cubic foot of concrete. The number you come up with is 2,250. That is the amount in pounds of your 30 square feet of concrete assuming it is 6 inches thick.