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Rebar Sizes Database

US standard rebar sizes, dimensions, cross-sectional areas, and weight specifications.

#3 Rebar (3/8" diameter)

Lightweight reinforcement steel ideal for residential patios, sidewalks, and pool cages.

Weight/Density: 0.376 lbs/ft (0.560 kg/m)
Dimensions: Diameter: 0.375 inches (9.525 mm)
Est. Price: $1.00 - $1.40 per foot

#4 Rebar (1/2" diameter)

Standard residential building steel. Ideal for driveways, footing grids, and light structural columns.

Weight/Density: 0.668 lbs/ft (0.994 kg/m)
Dimensions: Diameter: 0.500 inches (12.7 mm)
Est. Price: $1.40 - $1.90 per foot