divide the number of inches by 12. In this case: 6.7 ft.
Anything over 80 feet is considered a deep well. A jet pump can pump up from 80 feet, more than that needs a submersible pump.
6x18=108sqft 108divided by 80=1.35yards
1600 sq ft
10 bags. Each 80 lb bag is 0.6 cubic feet, and your hole is 6 cubic feet.
Well, First get the Dia of material in inches = A Get the thickness of material in inches = B Now, Multiplier for M.s is 80 & for soft material like copper, brass, alluminium is 6 0. now put the A X B X MULTIPLIER = TONNAGE Example, 1 inch dia 5mm thickness Material is M.S. SO TONNAGE is : 1 x 0.1968 x 80 = 15.75 is tonnage required... ENJOY TONNAGE FORMULA.
For the passage of furniture should turn.
It is: 120*80 = 9600 square feet
6
7 ft/ 80 inch so... 84 inch/80 inch 42 inch/ 40 inch 21 inch/20 inch
If the radius of a circle is 80 inches, then the area of the circle is 139.6263 square feet. (rounded)
There are 144 inches in a square foot so, 144 x 80 is 11520 inches in 80 square feet.
80-90 pounds
80
80
16" * 16" = 1.77777 square feet, so , 80 / 1.77777 = 45 tiles
I think one 80 lb. bag will cover about 4 square feet 1 inch thick
80 if the tiles are 12x12 - 12x12 is one square foot covering 80 you would need 80 tiles