Rebar Cutting Calculator
Calculate rebar quantities, cutting lengths, and steel requirements for concrete reinforcement. Estimate costs and materials for foundations, slabs, and beams.
Step 1: Project Dimensions
Standard Rebar Sizes
Common rebar sizes: #3 (3/8″), #4 (1/2″), #5 (5/8″), #6 (3/4″), #7 (7/8″), #8 (1″). Standard lengths are 20 ft and 40 ft.
Step 2: Rebar Specifications
Rebar Weight Reference
#4 rebar weighs 0.668 lbs/ft. #5: 1.043 lbs/ft. #6: 1.502 lbs/ft. #7: 2.044 lbs/ft. #8: 2.670 lbs/ft.
Rebar Cutting Estimate
Total Estimated Cost
Rebar Cutting List
| Cut Length | Quantity | From Bar | Remaining | Weight Each |
|---|
Cutting Optimization
Optimized cutting plan minimizes waste. Standard 20-ft bars used efficiently with 8% waste factor included.
Cost Breakdown by Material
Rebar Calculation Formula
Bars = (Total Length Needed ÷ Bar Length) × (1 + Waste%)
Calculate number of bars in each direction, multiply by layers, then add waste factor. Weight = Length × Weight per foot.
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