Ready-mix concrete typically starts around $115 per yard but could cost upwards of $150 or more, depending on the mix and your location. The cost of a concrete project varies depending on the project’s size and scope, your geographic location, and the type of material used. Table showing the number of pre-bags of concrete needed to fill a volume measured in cubic yards. Check the bag you’re using to find the exact fill-rate for the product. The table below shows the average fill in yards for various pre-mix bag sizes. Use the calculator above to estimate how many bags you’ll need. So, how many bags of concrete do you need?Ĭalculating bags is a little less straightforward since each bag size will fill different volumes. Use the following formulas to calculate the concrete needed for various types of pours. You might be wondering just how much concrete is in a cubic yard? A cubic yard is equal to 27 cubic feet or 46,656 cubic inches, or 45 80lb bags. One cubic yard is equal to the volume of a cube with edges that are one yard (three feet) in length. This will ensure you can complete your project in a single pour without needing to get more concrete to complete the project if you’re short. Add 5%-10% additional material to account for settling, spillage, and waste.On average, it will take 90 40lb bags, 60 60lb bags, or 45 80lb bags to fill one cubic yard of concrete.
The table below shows the coverage of different sizes of pre-mix bags. It is worth asking your supplier if they will sell a partial yard of material, but most do not.Įstimate how many pre-mixed bags are needed for smaller projects when it isn’t practical to order a truckload of concrete.
Conversion calculators make it easy to convert inches, yards, or meters to feet. Convert dimensions to feet if they aren’t already.
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