#4 Rebar (1/2" diameter)
Standard residential building steel. Ideal for driveways, footing grids, and light structural columns.
Technical Specifications
| Parameter | Standard Value |
|---|---|
| Actual Dimensions | Diameter: 0.500 inches (12.7 mm) |
| Unit Weight / Density | 0.668 lbs/ft (0.994 kg/m) |
| Estimated Price Range | $1.40 - $1.90 per foot |
| Nominal Diameter | 0.500 inches |
| Cross-Section Area | 0.20 sq inches |
| Bending Radius | 3.0 inches |
Overview & Cost Implications
No. 4 rebar is the workhorse of residential construction. Found in footer reinforcement grids, driveway grids, and light block masonry columns.
Standard Formula Used
For estimating materials quantity and weight on job sites, estimators use this mathematical model:
Weight = Length × 0.668 lbs/ft INTEGRATED ESTIMATOR
Need to Calculate Quantities for #4 Rebar (1/2" diameter)?
Our dedicated calculator is pre-configured to estimate volume, weight, and total materials cost based on standard #4 Rebar (1/2" diameter) specifications.
Open Concrete Calculator with #4 Rebar (1/2" diameter) Presets →