Sand casting parts are widely used in various assemblies so these are in huge demand. To meet the increasing demand and increasing manufacturing cost industries are focusing on sustainable manufacturing. Life cycle assessment tools are used by the industries to quantify sustainability of a process. In the present study, a computer aided system to analyze the sustainability of sand casting process is developed. The proposed system can determine indicators like energy use, solid waste, cost, and other miscellaneous consumption like flux, die-coat lubricant for sand casting process. It determines the sustainability indicators on the basis of the selection of metal, metal alloy and sub-process. This system has user friendly Graphical User Interface (GUI).That has been developed to prompt user to select the various choices in the system and enter data for the process plan.