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.
1974年8月21日颁布的第93-380号公共法律规定，美国的政策是鼓励教育机构和机构，作为常规教育方案的一部分使学生做好准备，以轻松和便利地使用公制度量制度。