Calculated Industries ConcreteCalc Pro 4225 Advanced Yard, Feet, Inch, and Fraction Concrete Calculator Find total Linear Feet and calculate Weight for Rebar Sizes, store various Rebar Sizes, and on-center spacing Calculate the number of truck loads based on load size Instant Square-up and Drop for perfect layouts Advanced Circular, Column, Cone, and Radius Calculations Automatic Block and Footing keys for material estimates