Walter Machining Calculator is a free Android application developed by Walter AG that aims to assist machinists in calculating machining time, power, torque, cutting force, metal removal rate, and chip thickness in various machining operations. The app offers a user-friendly interface that makes it easy to select the material to machine and input different machining parameters.

The app provides calculations for a wide variety of machining operations, including Shoulder-, Face- and Slot-Milling, Drilling, Boring, Turning and Grooving, Thread Tapping, -Forming and -Milling. Additionally, the app includes a Savings Calculator that allows users to compare existing tools with new ones and calculate projected savings.