Calculates the volume of concrete needed for tube blocks, based on the tube diameter and height. It also estimates the amount of cement needed, assuming a standard mix ratio.
Start with your values, or try a preset.
Enter Tube Diameter (inches), Tube Height (feet), and Cement to Concrete Ratio (bags per cubic yard) in the units shown.
Read Tube Radius (inches), Tube Radius (feet), Tube Volume (cubic feet), Tube Volume (cubic yards), and Cement Bags Needed in the results panel. Results update as you change the inputs.
Choose a preset to load an example, then adjust the values for your situation.
See the inputs and their calculated results.
Tube Diameter (inches): 8 in; Tube Height (feet): 3 ft; Cement to Concrete Ratio (bags per cubic yard): 6 bags/yd³
Tube Radius (inches): 4 in; Tube Radius (feet): 0.3333333333 ft; Tube Volume (cubic feet): 1.047196667 ft³; Tube Volume (cubic yards): 0.03878506173 yd³; Cement Bags Needed: 0.2327103704 bags
Tube Diameter (inches): 12 in; Tube Height (feet): 4 ft; Cement to Concrete Ratio (bags per cubic yard): 6 bags/yd³
Tube Radius (inches): 6 in; Tube Radius (feet): 0.5 ft; Tube Volume (cubic feet): 3.14159 ft³; Tube Volume (cubic yards): 0.1163551852 yd³; Cement Bags Needed: 0.6981311111 bags
Tube Diameter (inches): 18 in; Tube Height (feet): 6 ft; Cement to Concrete Ratio (bags per cubic yard): 6 bags/yd³
Tube Radius (inches): 9 in; Tube Radius (feet): 0.75 ft; Tube Volume (cubic feet): 10.60286625 ft³; Tube Volume (cubic yards): 0.39269875 yd³; Cement Bags Needed: 2.3561925 bags
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