The ConcreteCalc Pro for your iPhone, iPod touch or iPad has all the functionality and ease of use of Calculated Industries' handheld ConcreteCalc Pro calculator. It helps reduce material waste, improve design accuracy, prevent re-work and cut estimating time. Increase efficiency in the field or in the office with fast, accurate solutions for square-ups, loads, area, volume, rebar, drops and stairs. Even finds the number of bags required for small jobs. Work directly in and convert between all building dimensional formats: yards, feet-inch-fractions, inch fraction, decimal feet (10ths, 100ths), decimal inches and metric (m, cm, mm). The calculator also calculates rebar quantity solutions and features a built-in help.