weights and measures

(redirected from Units of measurement)
Also found in: Dictionary, Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to Units of measurement: metric system

Weights and Measures

A comprehensive legal term for uniform standards ascribed to the quantity, capacity, volume, or dimensions of anything.

The regulation of weights and measures is necessary for science, industry, and commerce. The importance of establishing uniform national standards was demonstrated by the drafters of the U.S. Constitution, who gave Congress in Article 1, Section 8, the power to "fix the Standard of Weights and Measures." During the nineteenth century, the Office of Standard Weights and Measures regulated measurements. In 1901 it became the National Bureau of Standards, and in 1988 it was renamed the National Institute of Standards and Technology.

The states may also regulate weights and measures, provided their regulations are not in opposition to any act of Congress. Legislation that adopts and mandates the use of uniform system of weights and measures is a valid exercise of the Police Power, and such laws are constitutional. In the early twentieth century the National Bureau of Standards coordinated standards among states and held annual conferences at which a model state law of weights and measures was updated. This effort has resulted in almost complete uniformity of state laws.

Though U.S. currency was settled in a decimal form, Congress has retained the English weights and measures systems. France adopted the metric system in the 1790s, starting an international movement to make the system a universal standard, replacing national and regional variants that made scientific and commercial communication difficult. Thomas Jefferson was an early advocate of the metric system and in an 1821 report to Congress, Secretary of State John Quincy Adams urged its acceptance. However, Congress stead-fastly refused.

Despite hostility to making the metric system the official U.S. system of weights and measures, its use was authorized in 1866. The United States also became a signatory to the Metric Convention of 1875, and received copies of the International Prototype Meter and the International Prototype Kilogram in 1890. In 1893 the Office of Weights and Measures announced that the prototype meter and kilogram would be recognized as fundamental standards from which customary units, the yard and the pound, would be derived.

The metric system has been adopted by many segments of U.S. commerce and industry, as well as by virtually all of the medical and scientific professions. The international acceptance of the metric system led Congress in 1968 to authorize a study to determine whether the United States should convert. Though the resulting 1971 report recommended shifting to the metric system over a ten-year period, Congress declined to pass appropriate legislation.

Further readings

Bartlett, David F., ed. 1980. The Metric Debate. Boulder: Colorado Associated Univ. Press.

weights and measures

the long-established body of law which relates to weighing and measuring. It mainly provides protection to the public and protection for honest traders from loss of custom to the dishonest. Such legislation will normally approve a particular system of weights and measures and outlaw others. This may change over time as when the UK moved from the pound avoirdupois to the kilogram, from the gallon to the litre. Now enforced by trading standards departments. See e.g. PRICE MARKING.
References in periodicals archive ?
31 of 2006, which states in Article VIII that the SI units will be the exclusive basis of the legal units of measurement in the country.
The new system is an important step towards unifying the measurements used in the country in line with international practices and standardised units of measurement with the world.
According to Badri, the UAE has been using different units of measurement due to the absence of a national regulation that mandates the use of SI.
So with my accurately measured coffee in hand I decided to unearth some novel units of measurement.
Despite this fact, the results demonstrated that there was a statistically significant difference in the coverage provided to females and males within each of the units of measurement analyzed.
Other features of Carbon Tracker include the ability to select preferred units of measurement for distance and amount of carbon emissions.
The world's three great units of measurement are the mile, the kilometre, and the size of Wales, we revealed in 2003.
In behavioral science, quantitative data of behaviors are collected and converted to units of measurement for purpose of comparison.
As Conservative party chairman Francis Maude said in 1989 when discussing new EEC legislation on units of measurement "it is a criminal offence to sell goods in measures not authorised under the legislation".
T 1210 sp-05 Units of measurement and conversion factors
Convert units of measurement by typing what you want converted--for example, centimeters in a foot.
This extraordinary book does not limit itself to just vocabulary, as it also contains maps of energy reserves, drilling data, technology and modes of transportation, a valuable table of units of measurement, conversion factors, abbreviations and much more.