 | The easy-to-use ConcreteCalc Pro helps reduce material waste, improve design accuracy and cut estimating time. Increase efficiency in the field or in the office with fast, accurate solutions for Square-ups, Loads, Area, Volume, Rebar, Drop, Stairs and much more. Handheld, Business and Scientific, Battery Powered, 11 Digit Display Number of Reviews: 0 | Ratings:  | Best deal: $66 $66 - $70 from 2 stores. |