A: each 80-pound bag of quikrete® concrete mix yields approximately 0.6 cubic feet. For a pour of 120 square feet by 4” thick, you will need 40 cubic feet of concrete or 67 bags, of 80-pounds each.
How Many Sq Ft in a Bag of Concrete?
When it comes to construction materials, concrete is a popular choice. Whether you’re building a driveway, patio, or other outdoor feature, concrete is a reliable, durable material that can stand up to all kinds of weather. But when you’re buying concrete, it’s important to know how much you need for the job. If you’re wondering, “How many sq ft in a bag of concrete?” the answer depends on the size and weight of the bag.
The easiest way to figure out how many sq ft are in a bag of concrete is to look at the label. Most bags of concrete will have their coverage area listed in both square feet and square yards. Generally, one 40-lb. or 60-lb. bag of concrete will cover between 0.25 and 0.5 square feet. If your project needs more than that, you can calculate the amount of concrete you need by multiplying the length, width, and depth of your project.
For example, say you want to build a patio that’s 10 feet by 10 feet, and the depth of the concrete is 3 inches. To figure out how many sq ft of concrete you’ll need, multiply 10 x
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