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.
This cannot be answered without knowing the width and depth.
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4.4 bags
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.
47
20
What size bags of concrete and how big are the bricks? Makes a difference.
This cannot be answered without knowing the width and depth.
Forty five 80 pound bags of cement are needed to make one cubic yard of concrete.
Depending on the use of the concrete, between 5-6 bags.
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.
go to any search. and type in concrete calculater
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about 60 60lb bags
27 bags of 30kg bags of concrete bargs
To make one yard of concrete from 80# bags you will need about 40-45 bags. Each bag is about .67 or 2/3 cubic foot. you will need 27 cubic feet to make 1 cubic yard. Cheaper to have a redimix truck deliver, and a lot less work.
it takes 45 Bags of 80# mix to make a cubic yard