Calculates the volume of concrete needed for a set of stairs, considering the number of steps, tread depth, rise height, and stair width.
Start with your values, or try a preset.
Enter Number of Steps, Tread Depth (inches), Rise Height (inches), Stair Width (inches), and Slab Thickness (inches) in the units shown.
Read Total Rise (inches), Total Run (inches), Volume of Slab (Cubic Inches), Volume of Stairs (Cubic Inches), Total Concrete Volume (Cubic Inches), Total Concrete Volume (Cubic Feet), and Total Concrete Volume (Cubic Yards) 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.
Number of Steps: 5; Tread Depth (inches): 11; Rise Height (inches): 7; Stair Width (inches): 36; Slab Thickness (inches): 4
Total Rise (inches): 35; Total Run (inches): 44; Volume of Slab (Cubic Inches): 6,336; Volume of Stairs (Cubic Inches): 27,720; Total Concrete Volume (Cubic Inches): 34,056; Total Concrete Volume (Cubic Feet): 19.70833333; Total Concrete Volume (Cubic Yards): 0.7299382716
Number of Steps: 10; Tread Depth (inches): 12; Rise Height (inches): 6; Stair Width (inches): 48; Slab Thickness (inches): 4
Total Rise (inches): 60; Total Run (inches): 108; Volume of Slab (Cubic Inches): 20,736; Volume of Stairs (Cubic Inches): 155,520; Total Concrete Volume (Cubic Inches): 176,256; Total Concrete Volume (Cubic Feet): 102; Total Concrete Volume (Cubic Yards): 3.777777778
Number of Steps: 15; Tread Depth (inches): 14; Rise Height (inches): 6; Stair Width (inches): 60; Slab Thickness (inches): 4
Total Rise (inches): 90; Total Run (inches): 196; Volume of Slab (Cubic Inches): 47,040; Volume of Stairs (Cubic Inches): 529,200; Total Concrete Volume (Cubic Inches): 576,240; Total Concrete Volume (Cubic Feet): 333.4722222; Total Concrete Volume (Cubic Yards): 12.35082305
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