With the passage of the Federal Metric Legislation it is no more the question, why metric, but how to go ahead with the metric system. It is fairly simple to postulate “what” objectives ought to be achieved during metric conversion, but it is more difficult to specify “how” this should be done. Emphasis has been placed throughout this paper on “how” rather than “why”.The paper is divided in two sections. In the first section, in addition to considering the impact on product design and development, effect on engineering mathematics is studied. The second section discusses conversion of machine tools with emphasis on purchasing the equipment with capability of dual reading during the transition period.