Rebar Calculator
Slab Length (ft)
Slab Width (ft)
Bar Spacing (in)
6 in
8 in
12 in (standard)
18 in
24 in
Bar Size
#3 (3/8 in) — 0.376 lb/ft
#4 (1/2 in) — 0.668 lb/ft
#5 (5/8 in) — 1.043 lb/ft
#6 (3/4 in) — 1.502 lb/ft
Waste Factor (%)
Total linear footage
—
lin ft
Bars along length
—
bars
Bars along width
—
bars
Total weight
—
lbs
Weight (tons)
—
tons
Estimated cost
$
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