For example, a kilogram is a thousand grams, and a centimeter is one-hundredth of a meter. The names of most units of measure in the metric system have two parts. The metric system is a system of measurement that uses the meter, liter, and gram as base units of length (distance), capacity (volume), and weight (mass) respectively. To measure smaller or larger quantities, we use units derived from the metric units. メートル法(メートルほう、英:metric system [1][2][3]、仏:système métrique)とは、長さの単位であるメートル(フランス語: mètre)と質量の単位であるキログラム(仏:kilogramme)を基準とする、十進法による単位系のことである[4][5][6][7][8][9][10][11][12]。, メートル法は、18世紀末のフランスにおいて、世界で共通に使える統一された単位制度の確立を目指して制定された。当時の世界には同じ物理量に対して様々な単位があり、しかも同じ単位系の中でも、複雑な換算を必要とする単位が併用されているものもあった。人間の行動範囲が狭い間は、その地域だけで単位が統一されていれば良かったが、人間の行動範囲が広くなり、グローバリゼーションで商取引等が行われるようになると、単位の不統一が大きな問題となってきた。, そこで、フランス革命後の1790年3月に、国民議会議員であるタレーラン=ペリゴールの提案によって、世界中に様々ある長さの単位を統一し、新しい単位を創設することが決議された。それを受けて1791年に、地球の北極点から赤道までの子午線弧長の「1000万分の1」として定義される、新たな長さの単位「メートル」が決定された(これにより地球の円周が4万キロメートルとなるように定義されたが、地球は厳密には真球ではなく回転楕円体に近い形をしているので、実際にはやや誤差がある)。, なお、この時の測量はダンケルクからバルセロナの距離を経線に沿って三角測量で測定し、その値を元にして計算が行われた。質量も、このメートルを基準として、1立方デシメートルの水の質量を1キログラムと定めた(正確な定義はそれぞれの単位の項目を参照のこと)。他に、面積の単位としてアール(are, 100平方メートル)、体積の単位として乾量用のステール(stere, 1立方メートル)と液量用のリットル(litre, 1立方デシメートル)を定めた。, フランスにおいても、既に使われていた単位系があったため、使用には反対が多く、すぐには普及しなかった。結局1837年に「1840年以降はメートル法以外の単位の使用を禁止する」旨の法律が出され、公文書にメートル法以外の単位を使用した場合は罰金が科せられることとなり、普及することになった。, フランス以外の国家でも、度量衡の単位の統一に悩んでおり、メートル法に興味を持ち始めた。1867年のパリ万国博覧会の際、パリに集まった学者の団体が、メートル法によって単位の国際統一する決議を行った。1875年、メートル法を導入するため、各国が協力して努力するという主旨のメートル条約が締結された。, ヨーロッパに比較して、アメリカでは連邦政府が努力していないこともあってか、メートル法はほとんど普及しておらず、ヤード・ポンド法が主流である。イギリスでは国内向けにヤード・ポンド法を用いられ、国外向けにはメートル法を用いるという、使い分けをしている。ただし、イギリスのヤード・ポンド法はアメリカのそれとは厳密には同一ではないので注意が必要である。, 日本は、1885年(明治18年)にメートル条約に加入している。1889年(明治22年)にメートル原器の交付を受け、1891年(明治24年)に施行された度量衡法で尺貫法と併用する形でメートル法が導入された。それに伴い、新たに基本単位の漢字を当てたり(※例1)、補助単位の漢字を創作して(※例2)、メートル法がいち早く普及するように努めた。以下に挙げるのはそういった単位である。, 1900年11月10日、東京帝国大学運動会で、初めてヤード制をあらためてメートル制を採用した[13]。 Metric system definition: The metric system is the system of measurement that uses metres, grams , and litres . Today it is very important to be able to understand measurements in both the English system of units and the SI (Systems International) system of units. = 36 inches (in.) relating to metric system relating to musical meter A number used to indicate the cost of a route in the Internet Protocol (IP) routing table that enables the selection of the best route among possible multiple routes to the same destination. Step C lays out all the conversions and their respective units. Translations in context of "metric system" in English-French from Reverso Context: Highway signs are changed to the metric system. Enrich your vocabulary with the English Definition dictionary the kilogram is the weight used in the metric system You may also like A gram is a unit of weight in the metric system. 1 yard (yd.) All Free. English units are the units of measurement used in England up to 1826 (when they were replaced by Imperial units), which evolved as a combination of the Anglo-Saxon and Roman systems of units. W... A 2009-06-05: Using the metric system, NASA may ... A 2008-08-02: Metric system A F » This system is used around the world. Conversion Ratio (or Unit Factor): While the Metric System simply moves the decimal point to convert between its measurements' prefixes, the English System requires a conversion ratio (or unit factor) to move between measurements. Metric System Measuring units in folklore and history The metric units Bigger and smaller metric units Converting between English and metric units Resources The metric system is an internationally agreed-upon set of units for expressing the amounts of various quantities such as length, mass, time, temperature, and so on. təm/ the system of measurement based on the meter, the gram, and the liter as the basic units of length, weight, and volume English Español latino 한국어 metric system ロングマン現代英英辞典より metric system ˈmetric ˌsystem noun → the metric system コーパスの例 metric system • But you will find it easier using the Continental metric system of . metric system definition in English dictionary, metric system meaning, synonyms, see also 'metric',-metric',metric hundredweight',metric ton'. さ の 単位 である メートル ( フランス語: mètre )と 質量 の単位である キログラム ( 仏: kilogramme)を基準とする、 十進法 による 単位系 のことである 。 Sometimes, as with metre, litre and gram, there is no prefix. Various standards have applied to English units at different times, in different places, and for different applications. Dɕ(/POåºÑPF†X/¾>Z n¯¡÷JqÏÁ%'BÄÐwt¬nYôšœ´mEÉÐ*¸O:=©Þ¾{]UŽá³å†?ï¤DPPoM'Uÿ^‚H®P/J'_ðÓ3XŠK]®àþ§úLl”¶hExí×ú¬ÕäwðM+ô3Òý'<9êø±f%ÎWØúŽûö=iº #Ÿm×ñÕ±§?c—_ 'ª¾5Úÿ =}Áþît¿:݇T÷‘þò ¶Èø‹šQýIÑ!äçBŠŽÖА.ð;òóp‰L^Ôà#‘ñ¯3+ü7•DUPCi=Ô¬×òP‘Äa(ᾢܹW†ÉÀó¤ÇIuÍA0|ùÏÍíe),N Ù])µH.Hxúe‘›k nKʞ¡°ãªcèè. Introduction to the Metric System for kids. Virtually all countries of the world, except the United States, use the metric system. Mathmatications and Scientists use the Metric system We are gradually changing over to a completely metric system. His unit of length, the “standard”, was the length of a pendulum that had a half-beat of one second, the units of area and volume were the square and cubic standard respectively and the unit of mass was the mass of a cubic standard of rainwater. Click on the blank box for the converted measurement. Examples of how to convert from Metric units to English units and English to Metric using the factor label method. DISTANCE inches millimeters 25.38 feet meters 0.30478 MASS ounce (avdp) gram 28.3495 pound gram 453.5925 pound metric system - Translation to Spanish, pronunciation, and forum discussions Principal Translations Inglés Español metric system n noun: Refers to person, place, thing, quality, etc. The metric units are based on decimal groups (multiples of ten). Examples are used only to help you translate the word or expression searched in various contexts. Step B lists commonly known conversions between English and Metric units used in this example. About this Quiz This is an online quiz called METRIC SYSTEM - the basics There is a printable worksheet available for download here so you can take the quiz with pen and paper. In 1875, the United States solidified its commitment to the development of the internationally recognized metric The metric system is a system of measurement that uses the meter, liter, and gram as base units of length (distance), capacity (volume), and weight (mass) respectively. common metric to english and english to metric conversions including cm to inches, km to miles, kg to pounds, miles to feet A system of measurement in which the basic units are the meter, the second, and the kilogram. If you wish, use the pull-down The metrication of the UK, which is meant to replace the imperial system with the metric system, has been largely successful in England since its introduction in the 20th century. さらに、1921年(大正10年)には同法改正で尺貫法を廃止したが、使い慣れた単位を移行することへの庶民による根強い抵抗もあり、本格的な普及は、メートル法の使用を義務付け、尺貫法の使用を法的に禁じた1951年(昭和26年)施行の計量法まで待たねばならなかった。日本のメートル法化完全実施は1966年(昭和41年)4月1日までかかった。, メートル法施行を記念してフランスで[いつ? This quiz has tags. = 5,280 feet (ft.) UNITS OF LENGTH IN THE METRIC SYSTEM 1,000 millimeters (mm) = 1 meter 100 centimeters (cm) = 1 meter 10 decimeters (dm) = 1 meter 1 dekameter (dam) = 10 meters 1 hectometer (hm) = 100 meters 1 kilometer (km) = 1000 meters A 2012-10-11: metric system A 2010-01-22: Well, I was being a little facetio... A 2009-06-05: NASA does use the metric system. ]発行される予定であった記念メダル[信頼性要検証]には、フランス語で "À tous les temps, à tous les peuples.(意:全ての時代に、全ての人々に)" と刻まれていた[10]。このメダルは結局発行されなかったが、この言葉は「時代や国を問わず使えるように」という、メートル法の理念を表すものとして引用されることが多い。, メートル法(または国際単位系SI)を公式採用していない国としては、アメリカ合衆国、リベリア、ミャンマーの3か国を挙げるのが通例となっている[15](■トップ画像を参照)。ミャンマーの商務省は、2013年10月に、メートル法の採用の準備をしているとアナウンスした[16][17][18][19]。, フランスで最初に導入され、メートル条約で導入が進められたのは、上記の長さ・面積・体積・質量の単位のみである。「度量衡」という言葉もあるように、当時制度の上で必要な単位は長さ・面積(度)、体積(量)、質量(衡)のみであった。単に「メートル法」と言った場合には、フランスで最初に制定された上記の範囲の単位系をいう。, 時間の単位については、既に広く世界で使われていた秒があったが、これは六十進法であったため、十進法の新たな単位を創設しようという意見もあった(十進化時間)。議論の末、時間の単位は秒がそのまま使用されることになった。, 19世紀以降、科学や工業の発達により、他の物理量についても単位が必要となった。そこで、学者や分野ごとに、メートル法を基礎としながらそれぞれ違う大きさを持った単位が作られたり、異なった物理量を基本として単位系が作られたりしたため、各種の単位系が無秩序に存在することとなった。広義には、これらの(狭義の)メートル法を基礎とする各種の単位系を総称して「メートル法」という。これらの単位系を再統一するために、派生した単位系の一つであるMKSA単位系を元として作られたのが国際単位系 (SI) である。, 特集 もう「スクェアフィート」の変換計算で悩むことがなくなる? ミャンマーがいよいよ「国際単位系」を採用へ 「ヤード・ポンド法」は米国とミャンマーだけになってしまった, https://ja.wikipedia.org/w/index.php?title=メートル法&oldid=80267524. One part is the unit name and the other part is the prefix. The given figure shows the arrangement of the metric units In 1668 John Wilkins, an English clergyman, proposed a coordinated system of units of measure for length, area, volume, and mass for use by philosophers. The metric system is a number of different systems of measurement with length based on the metre, mass on the gram, and volume on the litre. 1 foot (ft.) = 12 inches (in.) The main difference between imperial and metric units are that metric units are easier to convert between because those conversions require only multiplying or dividing by powers of 10. A metric system is a system of measurement that succeeded the decimalised system based on the metre introduced in France in the 1790s. ˈmet•ric ˌsys•tem, n. []Weights and Measures a decimal system of weights and measures, universally used in science, and the official system of measurement in many countries: the metric system of milliliters, centiliters, and liters. In schools, metric units are used and ta… The British Imperial was used as the official system of measurement in Great Britain from 1824 until the adoption of the metric system in 1965. metric system の発音。metric system を英語でどう言うかを音声で聞く- Cambridge University Press Cambridge Dictionary +Plus 私のプロフィール +Plus ヘルプ ログアウト 辞典 定義 よく分かる自然な英 … Learn how scientists measure distance, time, volume, area, mass, and density with the SI system. Metric conversions and US customary units - online metric converter calculator and tables for unit measurements including temperature, weight, volume, area, length, plus currency converter, fractions & more by Science Made Simple. It was developed in France and first introduced there in 1795, 2 years after the execution of Louis XVI. The historical development of these systems culminated in the definition of the International System of Units (SI), under the oversight of an international standards body. = 3 feet (ft.) 1 yard (yd.) Click on the tags below to find (decimal measures) sistema métrico decimal loc nom m locución nominal masculina: Unidad léxica estable formada de dos o más palabras que funciona como sustantivo masculino ("ojo de buey", "agua mala"). Examples of Metric Measurements Although the United States uses the English System teachers in the United States still continue to teach the Metric system because it is the system often used my mathmaticians and scientisits. metric system - WordReference English dictionary, questions, discussion and forums. Most of the industries, commerce, and government use the metric units but the imperial system is still officially used for distances, speed, and liquid quantities. Next to the known unit of measurement, enter the number you want to convert. Symbols are a shorthand way of writing the names of u… Choose the conversion units for both metric and English boxes. the metric system in this country and supplied each state with a set of standard metric weights and measures. Two years later Gabriel Mouton, the vicar of St. Paul’s Church in Lyons, France, proposed a unit of length b… In the Metric System, the prefix itself gives the needed conversion ratio. › In this system, the ratios between units of measurement are multiples of ten. For example, in the name "centimetre", the word "centi" is the prefix and the word "metre" is the unit name. In the metric system, all units have a "symbol". The system has units of measure for each quantity. De très nombreux exemples de phrases traduites contenant "English metric system" – Dictionnaire français-anglais et moteur de recherche de traductions françaises. The metric system is a decimal-based system of measurement. 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