About 900 pounds, but it varies quite a bit.
There are 764.554858 liters in a cubic yard of topsoil (or anything else).
What cubic yard ?, concrete, topsoil, bananas,
On one site I found the weight of one cubic yard of topsoil listed as 1,35 US tons
about 2700 pounds per cubic yard
This question has no real answer as it depends where you stay and the availability of top soil. How much is a cubic yard of topsoil in Iceland? How much is a cubic yard of topsoil in the Sahara Desert? How much is a cubic yard of topsoil in Washington DC? etc. etc. Check a local newspaper or nursery/ garden centre
The weight of a yard (a cubic yard, more accurately) of topsoil varies greatly depending upon its moisture content and how well packed it is. But figure 2000 to 2400 pounds.
2600
You already have a square yard of topsoil, so how does 20 inches of depth get you the volume of topsoil? There are 36 inches in a yard, and you have 20 inches of topsoil depth that's 20/36ths of a yard of topsoil depth. That's 0.555... or about 0.56 yards. The volume of topsoil is 1 yard by 1 yard by 0.56 yards, or about 0.56 cubic yards of topsoil.
A good average density for topsoil is 100 pounds per cubic foot. There are 27 cubic feet in one cubic yard, and so one cubic yard weighs around 2,700 pounds.2,700/40 = 67.5Therefore, it will take about 67.5 forty pound bags to make one cubic yard of topsoil.
A cubic yard of topsoil, if compacted to get the air pockets out will weigh more than 1 tone. If the topsoil is loose, a cubic yard of it could weigh about 1 ton. A lot depends on the topsoil, and whether it has more stone dust or less in it. The more moist the topsoil is, the more likely it will weigh more than a ton.
tere baap ko puchna.......!
1 cubic yard of what?