1 CY = 27 CF. One half yard = 13.5 CF. 13.5 CF /.45 CF per 60 Lb. bag = 30 Bags
There are approximately 27 cubic feet in a cubic yard, and an 80-pound bag of concrete typically yields about 0.6 cubic feet. Therefore, to fill one cubic yard, you would need about 45 bags of 80-pound concrete.
10
This cannot be answered without knowing the width and depth.
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.
According to the related link below; the required amount to cover 1 square yard with 4 inches of concrete is 6.6 60 pounds bags.
20
about 60 60lb bags
27 bags of 30kg bags of concrete bargs
An 80 lb bag of concrete typically yields about 0.6 cubic feet when mixed. Since there are 27 cubic feet in a cubic yard, half a cubic yard is 13.5 cubic feet. To find how many 80 lb bags are needed, divide 13.5 by 0.6, which equals approximately 22.5 bags. Therefore, you would need about 23 bags of 80 lb concrete to fill half a cubic yard.
about 60 60lb bags
Forty five 80 pound bags of cement are needed to make one cubic yard of concrete.
40 bags of 90 will give you 1 yard
41 bags. Actual 40.5
According to the FAQ on the Sakrete web site, Sixty of their sixty pound bags of High Strength concrete mix will be required to make a cubic yard of concrete.
According to the related link below; the required amount to cover 1 square yard with 4 inches of concrete is 6.6 60 pounds bags.
There are approximately 27 cubic feet in a cubic yard, and an 80-pound bag of concrete typically yields about 0.6 cubic feet. Therefore, to fill one cubic yard, you would need about 45 bags of 80-pound concrete.
10