 Public Law 93-380, enacted 21 August 1974, states that it is the policy of the US to encourage educational agencies and institutions to prepare students to use the metric system of measurement with ease and facility as a part of the regular education program.On 23 December 1975, President Gerald Ford signed Public Law 94-168, the Metric Conversion Act of 1975.This act declares a national policy of coordinating the increasing use of the metric system in the US.