![]() ![]() High-density concrete - also called heavy weight. Lightweight concrete - density lower than 1920 kg/m³. Made of cement, sand and coarse aggregates. Ordinary or plain concrete - one of the most commonly used. Assuming 5% is lost to waste and spillage - voila! We need 284 bags of concrete.Ĭoncrete is produced in a variety of compositions, finishes and performance characteristics to meet a wide range of needs. The total weight of concrete that we need is 16,201.03 lb. We need 4 cubic yards of concrete our producer sells concrete in bags weighing 60 lb with a 150 lb/cu ft density. In our example, let's leave the default measures. Experienced contractors usually assume 5-10%. To be safe, account for spillage and waste.If not, again, change it to the appropriate number. Check if the weight of a single bag of concrete is the same as the default already given (60 lb).Now, the total weight of concrete you need is shown.Check if the density of the concrete from a particular producer is the same as the default value in our calculator (150 lb/cu ft).Once we have the above measurements, we can get to the essence of the matter. In our example, we are paving 36 square feet. ![]() Other times, you'll just know the area that needs to be paved - feel free to provide any of these values. Sometimes, you'll know how many slabs you need. To learn more about cubic yards, visit our cubic yard calculator. As construction elements are usually measured in feet, our calculator converts the volume into cubic yards - in our example, 4 cu yd (108 cubic feet). Pre-mixed concrete is usually sold by the cubic yard, and this unit is used by default. So let's say we have 4 concrete elements, each 3 feet long, 3 feet wide, and 3 feet high. You can change them to any other unit by simply unlocking the field (the padlock button). Now you know how many bags you truly need.Īll dimensions are given in feet by default. Provide the size of the bag so we can find out how much concrete is produced per bag.įinally, you can provide the waste ratio - how much you think you will lose via spillages, defective elements, and other unfortunate events. Given the volume we just calculated and the concrete's density (again, you'll find this info on the bag we provided a common value, but it varies), you can calculate the weight of all your elements. Provide the dimensions (length, width, and height) and quantity of your concrete slabs or an area that you want to pave.ĭetermine the weight of all of those elements - this is how bagged concrete is sold they tell you how much the concrete from the bag will weigh (for example, you'll get 60 pounds of concrete out of one bag). No matter what size cinder block you need, understanding what they weigh can help you plan well for your project, Whether you’re putting up a retaining wall, building a cool cinder block couch, or making a DIY fire pit.First, you need to estimate the volume of concrete that you need. Therefore, if you’re working with odd-shaped blocks, you can estimate the weight by comparing it to a similarly sized square or rectangular block. For example, an 8” x 8” x 16” solid block weighs 55 pounds. A 60% solid standard block weighs 47 pounds, thanks to the smaller holes.Īdditionally, you can get solid concrete blocks that weigh significantly more than hollow blocks the same size. Porous cinder blocks can weigh up to one pound more when fully soaked with water. The most popular sizes are 8 inches tall and 16 inches long, with widths ranging from 4 to 12 inches.Ī four-inch standard block weighs 24 pounds, and a 12-inch standard block weighs 52 pounds. However, the most common cinder block is the standard block, measuring 8” by 8” by 16” and weighing 38 pounds. Cinder blocks come in many shapes and sizes, weighing as little as 5 pounds to over 55 pounds.
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