Fire hazard has contributed to about one-third of world major accidents in chemical plants. One of the approaches to avoid or minimize fire hazard is by using an inherent safety concept. This concept is best implemented at the preliminary design stage. However, practical application of inherent safety is still limited due to non-availability of easy to use tool for direct application in a process plant. This paper addresses the above issue by proposing a prototype tool known as Inherent Fire Consequence Estimation Tool (IFCET) that can be used during preliminary design stage to eliminate or minimize the consequence of fire accidents. The tool is developed in MS Excel for pool fire model and linked with process design simulator, iCON. The functionality of the IFCET is demonstrated using case studies of flammable liquid leaked from a process stream and spilled of LPG during unloading at filling station. The results from the case studies show that IFCET can be used to eliminate or minimize the consequence due to pool fire during preliminary design stage. IFCET has a potential to be extended to include other types of fire accidents such as Jet Fire, BLEVE, etc. © 2013 Elsevier Ltd.