Rebar Calculator
Result
The slab grid uses about 360 linear feet of rebar across 24 bar runs.
Based on: 20 ft × 12 ft slab · 18 in maximum spacing · 0% lap allowance
- Grid bar runs
- 24runs
- Grid length before laps
- 360linear ft
- Bars running slab length
- 9runs
- Bars running slab width
- 15runs
Results update as you type.
- Bar runs are rounded up so the entered spacing is not exceeded across either slab dimension.
- This calculator does not select bar size, spacing, cover or splice length. Use the structural drawings and project specifications.