Need help with settings on your Longevity Welder? These welding calculators will enable you to set your machine perfectly every time. Based on the thickness, material, and power output of your machine, you will get some results to try for your welding settings. Longevity Welding Calculators can be used to set any machine in the market. These are general and basic charts for welding. Please use them as a guideline and make sure to always have proper safety!