The metric system

British and American spelling[ change change source ] Some names in the metric system are spelt differently in British English and in American English. The word metre is used in British English while the word meter is used in American English. The word litre is used in British English while the word liter is used in American English. The word gram is used in both British English and in American English.

The metric system

Dynamic and kinematic viscosity conversions History of Measurement Systems People have been measuring things for thousands of years.

Ancient egyptians used fingers, hands and arms to measure things. One finger is a digit, 4 fingers a palm, distance between their elbow to the fingers is a cubit etc. All these units of measurement were based on something familiar to them such as their body parts but even the results varied from person to person.

Almost all countries or cultures used different units of measurement and conversion of units within or between the same systems have become a problem.

The metric system

There was no agreed upon standard of measurement. Imperial system is derived from the old English units which evolved from the hundreds of Roman, Celtic and Anglo-Saxon units used in the history. English units have been used until and then the official imperial system was defined by the British Weights and Measures Act as the standard measurement system in Britain and in commonwealth countries.

Within years, the units were refined and reduced. Inthe metric system was adopted but still several common units are being used in everyday life foot, inch, mile etc.

The metric system

US customary system is the measurement system used in United States and a few caribbean countries. Init was officially accepted to be used by customs officials at US ports and missed the opportunity to adopt metric system originated in in France as early as the 19th century.

Later, inmany units were redefined in terms of meter and kilogram imported from metric system and redefined again in by the international yard and pound agreement between six nations US, UK, Canada, Australia, New Zealand and South Africa so that the yard is redefined to be as exactly 0.

Metrication in US is not officially enforced unlike the other nations. US customary units are commonly used in everyday life but for science, military and medicine, metric units are mostly used.

Metric system is a decimalized measurement system created in during the French revolution for the purpose of creating a measurement system for everybody. The base length unit was metre definition was replaced later inthe volume unit was litre one thousandth of a cubic metre and the unit of mass was kilogram mass of one litre of water.

The kilogram and metre prototypes were kept by French government until InMetre Convention Treaty of the Metre has been signed by the 17 countries for the purpose of administering the maintenance and the development of metric standards globally.

Three international organizations were born. They are General Conference on Weights and Measures decison making organization, meets in every years to discuss the new developments on metric systemInternational Committee for Weights and Measures 18 high scientific standing individuals from member countries to advise on technical matters and BIPM International Bureau of Weights and Measures to ensure the uniformity of metric weights and measures around the world.

For example, to calculate how many centimeters in a meter, all you have to do is multiply it by since "centi" denotes a factor of one hundredth in metric system.

In imperial or US customary, to calculate how many inches in a mile, you must know how many inches in a foot, then how many feet in a mile and then multiply these two results to find your answer which is a kind of difficult for many people.

Here are the metric prefixes and their symbols: Metric prefixes and symbols.Most students were raised in the metric system, and suddenly need to think in pounds and cups, not kilograms and liters. — Anya Van Wagtendonk,, "For these immigrants, flipping pancakes and learning English go hand-in-hand," 12 July To make dishes like struffoli, biscotti.

Clicking on a game link will open a new window. Close that window to return to this page. Purplemath. Metric units are very nice to work with, since they are all multiples of ten (or a hundred, or one-tenth, etc) of each other.

You can convert between the various different sizes by merely moving the decimal point the correct number of places. The International System of Units (SI, abbreviated from the French Système international (d'unités)) is the modern form of the metric system, and is the most widely used system of comprises a coherent system of units of measurement built on seven base units that are ampere, kelvin, second, metre, kilogram, candela, .

One problem with standardizing the metric system is the initiative to fully convert metric specifications to an ISO standard. Although the process has begun, most industries are unenthusiastic about converting from DIN or metric ANSI.

predominant use of the metric system over a ten-year period. Congress passed the Metric Conversion Act of “to coordinate and plan the increasing use of the metric system in the United States.” The Act, however, did not require a ten-year conversion period.

A process of voluntary conversion was initiated, and the U.S. Metric Board was established.

Metric Conversion Charts and Converters