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Rebar Calculator
Rebar Calculator
Calculate linear feet, weight, and number of bars for a concrete slab with a grid rebar layout.
Ad Slot 1
Slab length (feet)
Slab width (feet)
Rebar spacing (inches)
6" on center
8" on center
10" on center
12" on center
16" on center
18" on center
24" on center
Bar size
#3 (0.376 lb/ft)
#4 (0.668 lb/ft)
#5 (1.043 lb/ft)
#6 (1.502 lb/ft)
#7 (2.044 lb/ft)
#8 (2.67 lb/ft)
Calculate rebar
Ad Slot 2