A Metric America : a Decision Whose Time Has Come
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A11100 TflLJblD NATIONAL BTOBKAQ OF STANDABDg LIBRARY MAY 8 1973 -urn REPORT TO THE CONGRESS A METRIC AMERICA A decision whose time has come o U.S. METRIC STUDY — — Public Law 90-472 An Art To authorize the Secretary of Commerce to make a study to determine advantages and disadvantages of increased use of the metric system in the United States. Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That the Secretary of Metric system. Commerce is hereby authorized to conduct a program of investigation, Study. research, and survey to determine the impact of increasing worldwide use of the metric system on the United States; to appraise the desir- ability and practicability of increasing the use of metric weights and measures in the United States; to study the feasibility of retaining and promoting by international use of dimensional and other engi- neering standards based on the customary measurement units of the United States; and to evaluate the costs and benefits of alternative courses of action which may be feasible for the United States. Sec. 2. In carrying out the program described in the first section of Investigation this Act, the Secretary, among other things, shall and appraisal requirements. (1) investigate and appraise the advantages and disadvantages to the United States in international trade and commerce, and in military and other areas of international relations, of the increased use of an internationally standardized system of weights and measures; (2) appraise economic and military advantages and disad- vantages of the increased use of the metric system in the United States or of the increased use of such system in specific fields and the impact of such increased use upon those affected; (3) conduct extensive comparative studies of the systems of weights and measures used in educational, engineering, manu- facturing, commercial, public, and scientific areas, and the rela- tive advantages and disadvantages, and degree of standardization of each in its respective field; (4) investigate and appraise the possible practical difficulties which might be encountered in accomplishing the increased use of the metric system of weights and measures generally or in specific fields or areas in the United States; (5) permit appropriate participation by representatives of United States industry, science, engineering, and labor, and their associations, in the planning and conduct of the program author- ized by the first section of this Act, and in the evaluation of the information secured under such program; and (6) consult and cooperate with other government agencies, Federal, State, and local, and, to the extent practicable, with foreign governments and international organizations. Sec. 3. conducting the studies and developing the recommenda- In Results of tions required in this Act, the Secretary shall give full consideration to changes in measurement the advantages, disadvantages, and problems associated with possible system. changes in either the system of measurement units or the related di- mensional and engineering standards currently used in the United States, and specifically shall (1) investigate the extent to which substantial changes in the size, shape, and design of important industrial products would be necessary to realize the benefits which might result from general use of metric units of measurement in the United States; (2) investigate the extent to which uniform and accepted engi- neering standards based on the metric system of measurement units are in use in each of the fields under study and compare the extent to such use and the utility and degree of sophistication of such metric standards with those in use in the United States; and (3) recommend specific means of meeting the practical diffi- culties and costs in those areas of the economy where any recom- mended change in the system of measurement units and related dimensional and engineering standards would raise significant practical difficulties or entail significant costs of conversion. Sec. 4. The Secretary shall submit to the Congress such interim Report to reports as he deems desirable, and within three years after the date of Congress. the enactment of this Act, a full and complete report of the findings made under the program authorized by this Act, together with such recommendations as he considers to be appropriate and in the best interests of the United States. Funds. Sec. 5. From funds previously appropriated to the Department of Commerce, the Secretary is authorized to utilize such appropriated sums as are necessary, but not to exceed $500,000, to carry out the pur- poses of this Act for the first year of the program. Sec. 6. This Act shall expire thirty days after the submission of the Expiration final report pursuant to section 3. date. Approved August 9, 1968. SEP 7 1971 at 10 0 1 (V , A METRIC AMERICA A decision whose time has come Daniel V. De Simone, Director U.S. Metric Study U.S. METRIC STUDY VJ .^ National Bureau of Standards, ' *4,Special Publication 345 U.S. DEPARTMENT OF COMMERCE Maurice H. Stans, Secretary NATIONAL BUREAU OF STANDARDS Lewis M. Branscomb, Director Issued July 1971 For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C., 20402 (Order by SD Catalog No. C 13.10:345), Price $2.25. S/N 0303 0884 U.S. DEPARTMENT OF COMMERCE Office of the Secretary Washington, D.C. 20230 THE HONORABLE PRESIDENT OF THE SENATE THE HONORABLE SPEAKER OF THE HOUSE OF REPRESENTATIVES SIRS: I have the honor to transmit to you the Report on the U.S. Metric Study, which was conducted by the National Bureau of Standards of the Department of Commerce. Thousands of individuals, firms and organized groups, representative of our society, participated in the Study. After weighing the extensive evidence pre- sented by these participants, this report concludes that the United States should change to the metric system through a coordinated national program. I agree with this conclusion, and therefore recommend — That the United States change to the International Metric System delib- erately and carefully; — That this be done through a coordinated national program; — That the Congress assign the responsibility for guiding the change, and anticipating the kinds of special problems described in the report, to a central coordinating body responsive to all sectors of our society; — That within this guiding framework, detailed plans and timetables be worked out by these sectors themselves; — That early priority be given to educating every American schoolchild and the public at large to think in metric terms; — That immediate steps be taken by the Congress to foster U.S. participa- tion in international standards activities; — That in order to encourage efficiency and minimize the overall costs to society, the general rule should be that any changeover costs shall "lie where they fall"; — That the Congress, after deciding on a plan for the nation, establish a target date ten years ahead, by which time the U.S. will have become predominantly, though not exclusively, metric; — That there be a firm government commitment to this goal. The Department of Commerce stands ready to provide whatever further assistance the Congress may require in working out a national plan and putting it into effect. Respectfully submitted, Maurice H. Stans Secretary of Commerce U.S. DEPARTMENT OF COMMERCE National Bureau of Standards Washington, D.C. 20234 OFFICE OF THE DIRECTOR The Honorable Maurice H. Stans Secretary of Commerce Dear Mr. Secretary: I have the honor to transmit to you the report on the U.S. Metric Study, undertaken by the National Bureau of Standards at your request, pursuant to Public Law 90-472. This report embodies our analysis of the alternatives realis- tically open to the United States and the choice we recommend on the basis of the evidence marshalled during the Study. I am convinced that after nearly two hundred years of national debate on this issue, the time has come for a national decision on a positive course of action. The questions posed by the Congress do not lend themselves to a clear-cut analysis in terms of dollars and cents, although we have discussed the question of costs and benefits as objectively as we could. Neither are the questions to be answered by evaluating the scientific merits of different measurement systems in the abstract, even though American scientists, like those of other nations, com- monly prefer the metric system for their work. Accordingly, our Metric Study Group based their work primarily on the informed views of citizens in every walk of life, considering not only their experiences but their apprehensions, their hopes for the future and the realities of current problems. We have done our best to give everyone an opportunity to express his or her views. Just as numbers are the language of mathematics, measurement language permits people to communicate with one another in quantitative terms. The na- tion's measurement system must be not only accurate and precise; it must be useful. This perspective is reflected in the Department's goal for the National Bureau of Standards: to strengthen the nation's science and technology and to foster their useful application in the public interest. From this vantage point — how the measurement system can best serve the future needs of America as we enter our third century of progress — we have examined the matter of metric conversion. Sincerely, Lewis M. Branscomb, Director National Bureau of Standards V I FROM THE FIRST METRIC STUDY Weights and Measures may be ranked among the neces- saries of life to every individual of human society. They enter into the economical arrangements and daily con- cerns of every family. They are necessary to every occu- pation of human industry; to the distribution and security of every species of property; to every transaction of trade and commerce; to the labors of the husbandman; to the ingenuity of the artificer; to the studies of the philosopher; to the researches of the antiquarian; to the navigation of the mariner, and the marches of the soldier; to all the ex- changes of peace, and all the operations of war.