1 CY = 27 CF. One half yard = 13.5 CF. 13.5 CF /.45 CF per 60 Lb. bag = 30 Bags
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.
Assuming you wish to used bagged 'pre-mixed' concrete, the industry standard is 1/2 cubic foot yield from a 60 pound bag. Keep in mind that the true weight will vary due to such things as sand/portland/aggregate ratios. But for a simple answer, you will be close with 3240 pounds. 60 pounds per 1/2 cubic foot, = 120 pounds for each cubic foot. 27 cubic ft. per yard 120 X 27 = 3240
A cubic foot is 12" thick 12" wide and 12" deep. .45 cubic feet per 60# bag of concrete
105 60 lb bags, youll need xtra for spillage 60lb bag = .45 cub ft 81,648 cub ins in 1 3/4 yrds concrete 1728 cub ins = 1 cub ft 81648 divided by 1728 = 47.25 cub ft 47.25 divided by .45 = 105 60 lb bags
about 60 60lb bags
There is 0.45 cubic feet in a 60-lb bag, so you need 60 bags. If you go to 80-lb bags, there's 0.60 cubic feet and you need 45 bags.
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.
You will get not 2.3 cu ft you will probably need at least 50 to 60 bags to make cubic yard..
about 60 60lb bags
20
If your talking about 4'x4'x4" thick it will take about 12 bags. Most 60# bags will do .45 cubic feet and that slab would be about 5.3 cubic feet wich equals 11.77 bags.. Mike
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.
1 CY = 27 CF. One half yard = 13.5 CF. 13.5 CF /.45 CF per 60 Lb. bag = 30 Bags
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.
Quikrete is sold in 60 pound bags, therefore we will need 1.5 bags. Each 60 pound bag produces 0.45 cubic feet, so times 1.5; 90# bag will yield 0.675 cubic feet .
Figure about 1/2 cubic foot per 60 lb bag. The basic formula is to use equal amounts of cement, sand, and gravel. There are 27 cubic yards per cubic foot. It depends upon how thick you are planning to pour the concrete. For one foot thick, you would need 9 cubic feet of concrete. For 6" thick, you would need 4 1/2 cubic feet. I'll give you the answers for 1 ft thick and for 6" thick. For 1 foot thick, you need 9 cubic feet at 1/2 cubic foot per 60 lb bag equals 18-60 lb bags. That's six 60 lb bags of concrete, plus six 60 lb bags of sand, plus 360 lbs of gravel. For 6 inches thick, divide each of these by 2 to give 3-60 lb bags of concrete, 3-60 lb bags of sand, plus 180 lbs of gravel.