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Calculate cubic feet of stone wall 120'long x 6'-6" high x 3" thick

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Your measurements are in different units, say feet and inches, you can first convert those values to feet, then multiply them together to get the square footage of the area. If you are measuring a square or rectangle area, multiply length times width; Length x Width = Area.

Posted on Aug 23, 2016


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I am laying a walkway with paving stones. If I add 2 inch of sand to 375 sq feet of space, how much cubic ft of sand will I require?

Since a cubic foot is 12" x 12" x 12", if you were to make the sand 12" thick you would have 375 cubic feet of sand. However, since you want your sand 2" thick (which is 1/6th of a foot), you simply divide the 375 by 6 to get the value of sand in cubic feet (62.5).

Nov 17, 2016 | Office Equipment & Supplies

1 Answer

I need to know how much stone in tons I need to fill 8.5 acre at 1.5 ft depth

Stone is approximated at about 2700 lbs. per cu. yd.
An acre is 43560 sq. ft.
8.5 acres is 370260 sq. ft.
There 9 sq.ft. per sq. yd., thus there are 41140 sq. yds. in 8.5 acres.
A cubic yard is 3 feet by 3 feet by 3 feet (LxWxH).
Since you are only going to be at 1.5 feet, each square yard is equal to 1/2 cubic yard, so to figure the cubic yards divide sq.yds. by 2, thus you get 20570 cu. yds. of stone.

20570 x 2700 = 55539000 pounds. Divide by 2000 to get tons:
55539000/2000 = 27769.5 tons.

Nov 16, 2016 | Office Equipment & Supplies

2 Answers

How many cubic yards for a 20x12 slan 4 inches thick

Assuming that 20x12 means 20 feet by 12 feet, then you take the three values in feet - 20, 12, and .333 (4 inches is 1/3 foot).

Multiply these three numbers to get the cubic feet:
12 x 20 = 240
240 x .333 = 79.92
Now that you have 79.92 cubic feet, to get cubic yards you divide by 9 since there are 9 cubic feet per cubic yard.

79.92 cu. ft. divided by 9 = 8.88 cubic yards (round up to 9).

Jul 27, 2016 | Building Materials

1 Answer

How much area will be covered with 36.78 cubic feet of mulch please answer in feet and inches

How it Works

Stone and Mulch Calculators

As an example, let's use 500 square feet to be mulched at a
3" depth.
  1. First, the depth must be converted to feet. To convert inches to feet, simply divide inches by 12, the number of inches in a foot.

    So for our example: 3 inches divided by 12 equals a 0.25 foot depth.
  2. Now that we have the depth in feet, we can multiply the depth by the area.

    So for our example: 0.25 foot depth times 500 square feet equals 125 cubic feet.
  3. If you are calculating 0.5, 2, or 3, cubic foot bags, simply divide 125 cubic feet by the size of the bag.

    So for our example: if we are using 2 cubic foot bags, we can divide 125 cubic feet by 2 which equals 62.5 bags.
  4. If you are calculating cubic yards, we need to convert 125 cubic feet to cubic yards by dividing by 27. One cubic yard is equal to 27 cubic feet, see the diagram below.

    So for our example: 125 cubic feet divided by 27 equals 4.63 cubic yards.

For Your Information

  • 1 inch equals 0.08333 feet
  • 1.5 inches equals 0.125 feet
  • 2 inc

Jun 29, 2016 | Office Equipment & Supplies

1 Answer

How many cubic feet is a 18 foot circle by 1 foot deep trying to find out how muck stone I will need for this project

First figure the area of the circle. The formula is

pi r squared, or

3.14 x (9x9).

Pi = approx 3.14.
Radius of 18' circle is 9'.
Area of circle is 254.34 square feet. To get cubic feet, multiply the area in feet by the depth in feet. In this case, since the depth is only one foot, the cubic feet will be 254.34 cubic feet (254.34 x 1)

May 06, 2015 | Office Equipment & Supplies

1 Answer

How many cubic yards is 3600 square feet in 6 inches?

  1. Calculate
    • Calculate your area (see below)
    • Calculate your volume; Multiply area times the depth, this will be volume in cubic feet
    • Calculate your cubic yards; Divide cubic feet by 27 to convert to cubic yards and this is your answer.
    • Where (ft2) = square foot, (ft3) = cubic foot, (yd3) = cubic yard
  2. Google
  3. or i'll do it 66 and 2/3 cu Yds

Mar 23, 2015 | Building Materials

3 Answers

How to calculate cubic feet ?

Calculating the cubic feet of a space requires multiplying the area of the bottom times the average height. You get the bottom area by multiplying the length times the width. Remember, to get cubic feet, you need all your measurements in feet to start with.

Here is your formula:

VOLUME (in cubic feet) = Length (in feet) X Width (in feet) X Height (in feet)

If it's a rectangular room you're working with, it is all straightforward. If there are irregular walls, it may be necessary to divide up the room into rectangular sections and then add together their individual volumes. If the ceiling is sloped, you need to use the height that has the same ceiling area above it as below it. Good luck! Truly.

Jul 25, 2014 | Building Materials

1 Answer

How to calculate cubic feet

How thick do you want the mulch? The planter is 24 feet by 18 feet or 432 square feet. If you want mulch one foot deep then you need 432 cubic feet. For two feet, 864 cubic feet. For mulch one inch deep, 36 cubic feet.

Apr 02, 2014 | Office Equipment & Supplies

1 Answer

Cubic feet calculator

just under 18 cubic feet.
at 4 inches thick there will be 3 square feet to equal 1 cubic foot. there's .6 cubic feet in an 80 lb sac. I'd get 30 bags and be careful not to go over 4 inches deep to often.

Dec 14, 2013 | Office Equipment & Supplies

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