Steel Bars Calculator is a free Android app developed by wael hasan in the Utilities & Tools category. It helps users to calculate the area of cross-section, circumference, weight, and cost for steel bars. The app supports a range of 1 to 30 bars and diameters from 5 mm to 38 mm, making it a useful tool for engineers, architects, and construction workers.

The app allows users to calculate the total area, weight, and cost of different rebar numbers, diameters, and lengths. Users can also add or remove selected rebars and get updated total area, weight, and cost. The app has a reset button that allows users to start new selections. Overall, Steel Bars Calculator is a handy app for anyone working with steel bars and in need of quick and accurate calculations.