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Rebar Weight Calculator
Estimate reinforcement steel weight from bar length, number of bars and published nominal bar weight.
How this calculator works
Bar length (ft) × quantity (pieces) × nominal bar weight (lb/ft) × (1 + waste % ÷ 100).
Typical ASTM nominal weights: #3 0.376, #4 0.668, #5 1.043, #6 1.502 lb/ft. Enter the appropriate weight; include lap splices, hooks, bend allowances and schedules separately.
Use field-verified dimensions. This planning estimate does not substitute for a complete takeoff, structural design or local supplier quote.
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