Welcome to my Shaft Design Calculator! With this tool, you can quickly and easily design shafts that meet the requirements of your mechanical system. Simply input the material properties, design parameters, and loading conditions, and our calculator will calculate the bending stress, allowable stress, and safety factor for your shaft. You can use this calculator to design a wide range of shafts, including ones made of steel, aluminum, and other materials. Whether you are a mechanical engineer, designer, or technician, our Shaft Design Calculator is an essential tool for optimizing the performance and reliability of your mechanical systems.