Calculates the number of rebars needed for a concrete slab and its cost based on dimensions, spacing, and rebar cost.
Start with your values, or try a preset.
Enter Slab Length (feet), Slab Width (feet), Rebar Spacing (inches), Rebar Length (feet), and Rebar Cost per Foot ($) in the units shown.
Read Rebars Widthwise, Rebars Lengthwise, Total Rebars, Total Rebar Length (feet), and Total Rebar Cost ($) 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.
Slab Length (feet): 10; Slab Width (feet): 10; Rebar Spacing (inches): 12; Rebar Length (feet): 10; Rebar Cost per Foot ($): 1.5
Rebars Widthwise: 11; Rebars Lengthwise: 11; Total Rebars: 22; Total Rebar Length (feet): 220; Total Rebar Cost ($): 330
Slab Length (feet): 30; Slab Width (feet): 12; Rebar Spacing (inches): 12; Rebar Length (feet): 20; Rebar Cost per Foot ($): 1.5
Rebars Widthwise: 31; Rebars Lengthwise: 13; Total Rebars: 44; Total Rebar Length (feet): 880; Total Rebar Cost ($): 1,320
Slab Length (feet): 24; Slab Width (feet): 24; Rebar Spacing (inches): 12; Rebar Length (feet): 20; Rebar Cost per Foot ($): 1.5
Rebars Widthwise: 25; Rebars Lengthwise: 25; Total Rebars: 50; Total Rebar Length (feet): 1,000; Total Rebar Cost ($): 1,500
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