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my brain hurts

T

TheSiege

Diamond Member
ok so if 1 yard of concrete is 100 bucks what would that be per sq ft?

anyone?

ok and one more thing

I have a piece of foam its 18" high and 8' long.

That would make it 12sq ft right?
 
1 yard is 27 cubic feet would need to know how deep you are pouring to determine how many square feet

oops
 
Originally posted by: nocash
1 yard is 9 cubic feet would need to know how deep you are pouring to determine how many square feet
Click to expand...

Would you like to try that again?

OP, it's difficult to convert volume to area 😛
 
Originally posted by: TheSiege
ok so if 1 yard of concrete is 100 bucks what would that be per sq ft?

anyone?

ok and one more thing

I have a piece of foam its 18" high and 8' long.

That would make it 12sq ft right?
Click to expand...

There is such a thing as a calculator built intoyour operating system.

Also, I would expect that by your questions, you have not completed 9th grade.

 
Originally posted by: iamwiz82
Originally posted by: nocash
1 yard is 9 cubic feet would need to know how deep you are pouring to determine how many square feet
Click to expand...

Would you like to try that again?

OP, it's difficult to convert volume to area 😛
Click to expand...

i lold
 
one yard of concrete makes no sense, do you mean one square yard? If so, then one sq. yd. = 9 sq. ft.

for your foam question, if the dimensions you gave are the length and width, then yes, area = L x W = 8 x 1.5 (in ft.) = 12 sq. ft. But you said it's 18" high, is that the thickness?


Edit: my error, I didn't know that a 'yard' of concrete was an acceptable term for what is actually a cubic yard, which is a measure of volume
 

$100 per cubic yard is $100 per 27 cubic feet, or $3.70 per cubic foot.


If A is the area of the concrete (in square feet) you pour 8" (or 2/3 feet) deep, then the volume of the concreate is 2/3 ft * A ft^2, or (2A/3) ft^3. The cost, then, will be
$3.70 * (2A/3), or $2.47 * A.
 

1.5 * 8 * (0.8/12) + 10% = 8.8 ft3 (or 9 ft3)

Around here you can only purchase concrete by the yard (or cubic meter), therefore it is going to cost you for the full yard + short load delivery charge regardless of how little you use.

Or get 18 bags of 60 lbs premix (each bag produce 0.5 ft3), and some elbow grease would save you a bit of money (80 lbs bags are a bit heavy to work with).
 
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