7 bags cement
15 milligrams
You need10.8/(the number of cubic feet of sand in each bag) bags.
That doesn't make sense. Square meter is 2D. Cubic meter is 3D. To attempt to answer your question... A square meter is one meter long and one meter wide. A cubic meter is one meter long, one meter wide, and one meter tall.
100 centimeters make 1 meter. 1x10^6 cubic centimeters make 1 cubic meter.
7 bags cement
15 milligrams
An 80 pound bag of premix concrete will make .6 cubic feet of cured concrete. There are 27 cubic feet in a cubic meter, so it would take 45 80 pound bags to make one cubic meter.
25 litre bags of what? Hydrogen: each 25 litre bag weighs about 2.2g, so about 444939 bags are needed for 1 tonne Mercury: each 25 litre bag weighs about 338.4 kg, so about 3 bags are needed for 1 tonne.
You need10.8/(the number of cubic feet of sand in each bag) bags.
about 60 60lb bags
35.315
That doesn't make sense. Square meter is 2D. Cubic meter is 3D. To attempt to answer your question... A square meter is one meter long and one meter wide. A cubic meter is one meter long, one meter wide, and one meter tall.
80# bags are 0.6 cubic feet and it takes 41 to make a cubic yard. In that case, 60# bags must be 0.45 cubic feet and it would take 55 to make a cubic yard.
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Each 60 pounds bag of ready mix concrete will make .45 cubic foot of concrete. There are 27 cubic feet in a cubic yard. You will need 60 bags of 60 pound premixed concrete to make 1 cubic yard.
0.5 is one-half, it takes 2 of these to make one cubic foot.