If the hole is 4 foot square 4' wide by 4' long by 20' deep, then I assume that you are after cubic yards. Multiply the width by the length by the depth and then divide by 27. This would give you the answer in cubic yards. 11.85 cubic yards.
If the hole is round:
Volume of a cylinder is Pi *R2 * H In this case: 3.14 X 22 X 20 = 251.2 cubic feet there are 27 cubic feet in a cubic yard (3x3X3=27) 251.2 cubic feet / 27 cubic feet per cubic yard = 9.3 cubic yards
how much 1" rock will I need to fill in a hole 20' long, 2' wide' and about 2' deep
There is no dirt in the hole, but if you want to know how much dirt was removed to create the hole, then:3 acres is an amount of area (you don't have 'square acres'). You could express this volume as acre-feet, but this term is usually used when referring to flooding (an acre of land flooded with 1 foot of water, for example). 1 acre = 43560 square feet, so 3 acres = 130680 square feet.(130680 square feet)*(200 feet) = 26136000 cubic feet {26.136 million cubic feet} In the dirt industry, the standard measurement is cubic yards {often referred to as just 'yards' of dirt}. There are 27 cubic feet in a cubic yard, so this is equivalent to 968000 cubic yards.
One cubic yard.
you drill a hole in it then fill it with water then pour it into a cup and measure it
This is such an old one! Of course, there is no dirt in it because if there were, then there would be no hole!
None because it's a hole but 6 cubic yards of dirt will fill it up.
.99 yds
218.75 cubic feet or 8.1 cubic yards
39,600 cubic feet. 1,466 cubic yards or about 122 truckloads if it were non-compacted fill.
12 x 12 x 3 = 432 ft^3 = 144 yds^3
None. It's a hole. 162 cubic feet of air. There is no dirt in a hole.
400.
The question cannot be answered in a sensible way. The size of the hole is given in only two dimensions - in all likelihood, that means the area that the hole covers but not how deep it is. The amount of dirt required to fill the hole will depend on the depth of the hole as well.
I don't know, but I can tell you there's no earth at all in a HOLE 2 yards long and 4 yards deep.
1 "yard" of concrete is really 1 "cubic yard" = 27 cubic feet8 x 8 x 4 = 256 cubic feet = (256/27) = 9.48 cubic yards
It doesn't hold any dirt. It's a hole.
You can't just convert between square feet and yards.