Rebar Calculator
Estimate reinforcing bar length, sticks, weight, tie wire and material cost for slabs, footings, walls or columns in U.S. units.
Estimate rebar length and weight
Use this as a reinforcement material takeoff. Enter slab, footing, wall or column dimensions, choose a U.S. bar size, add lap and waste, then estimate linear feet, sticks, pounds and cost before checking the drawings.
What this does not design
- Bar size, spacing, cover, hooks, development length and splice locations must follow project drawings and local code.
- A material takeoff does not check bending, shear, crack control, deflection, anchorage or load paths.
- Supplier stock length, cutting waste, chairs, dowels and delivery can change the purchase quantity.
Frequently Asked Questions
Sources and References
- Rebar CalculatorInch Calculator
- Rebar CalculatorOmni Calculator
- Rebar PropertiesConcrete Reinforcing Steel Institute
- ACI CODE-318-25: Building Code for Structural ConcreteAmerican Concrete Institute
Calculations are based on the listed reference sources. Links open in a new tab.
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