There is no dirt in a hole that is 3 feet deep and six inches in diameter.
29.45 cubic feet or 183.45 US gallons.
if you mean a 30 foot diameter circle, then pi x 152 x 3 = 2119.5 cubic feet of dirt
18.6240 yd³
if the diameter is in feet then multiply the diameter by pi 38 x 3.14159 = 119.38042 square feet if the diameter is in inches then dividethe inches by 12 then multiply the diameter by pi 38 ÷ 12 = 3.16666 x by 3.14159 = 9.94835 square feet
It is 2 feet
none there is no dirt in a hole
none.
None! If there was dirt in it then it wouldn't be a hole.
cylinder 18 feet diameter x 1.5 feet deep volume = 381 cubic feet
1.963 cubic feet
None. If it's a hole, then the dirt has been removed.
There is 98.17477042 cubic feet of dirt in a 5 foot deep hole that is 5 foot across.
6,400 ft3
As it is a hole there is no dirt in it. However, a cylinder of dirt with radius 1.5ft, depth 5ft and a volume of πr2h ~= 35.34 cu ft has been removed.
8 cubic feet.
1 foot by 36 sq feet = 36 cubic feet of dirt is needed
29.45 cubic feet or 183.45 US gallons.