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Anonymous
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20x20 = 400 2x4= 8 400/8= 50 needed
You will need 6.17 cubic yards of cement.
8.64 cubic yards of cement.
For this area you will need 2.4 cubic yards.
You will need a minimum of 7.41 cubic yards.
you would need 12...
Well honey, a 20x20 area equals 400 square feet. A sheet of 4x8 plywood covers 32 square feet. So, you'll need 13 sheets of plywood to cover that 20x20 space. Math doesn't lie, darling.
Need to know how many bags of cement I will need for a 20x10 space?
When you need to know the total weight of of a wall, like when you want to know how strong the foundation of a building must be.
a lot
You would need 20 pavers 20 times which is 20x20=400.
Without allowing for any waste, you would need 78 tile.
How many bags of cement am I going to need, for a screed floor finish in 5.4m³?
It depends on the units of your measurements in. You also need to know the weight of a bag of cement. The instructions on the bag of cement should also help.