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Imperial and Metric Units' Online Conversion - Multilingual Converter and Calculator |
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Click here for the units' list in categorical order (metric conversion / imperial conversion)
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What is a metre (meter)? |
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A metre (symbol: m), or meter, is the unit of length at the base of the International System of Units (SI). The French Academy of Sciences was the first institution to officially define the length of a metre. In 1983, a new definition replaced the previous one. Since then, a metre is the equivalent of the distance light travels in free space in 1 / 299,792,458 of a second. |
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What is a yard? |
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A yard (symbol: yd) is a length unit used in the English, Imperial and U.S. customary units' systems. It is the equivalent of 0.9144 metre in the International System (SI), 36 inches in the Imperial System and 3 feet in the U.S. Customary System. |
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What is the proper appellation of the "Système international d'unités" in other languages? Must we always use the French appellation? |
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The French abbreviation for the "Système international" is SI. Hence, SI is the universal abbreviated form of this particular system. Show SI in other languages / Hide |
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What are the Metric System prefixes? | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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The Metric System prefixes are:
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| Worldwide use of the Metric System and Date of Metrication * The United States of America, Burma and Liberia have not yet adopted the Metric System (SI). |
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Conversion
Table
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Units per conversion type
Area Show info / Hide
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Weight and Mass Show info / Hide
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Energy Show info / Hide
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Force Show info / Hide
Power Show info / Hide
Pressure Show info / Hide
Temperature Show info / Hide
Velocity Show info / Hide
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Online Conversion of Metric (International System), Imperial, U.S. Customary,
Monetary, Culinary and Historical Units / Conversion d'unités
métriques (Système international, SI), impériales, américaines,
monétaires, culinaires et historiques / Conversión métrica e imperial / 日本語
/ Conversão de unidades métricas e imperiais
/ 計量單位 (变革)
Umrechnung von metrischen und imperialen Einheiten / Конверсия
метрических и английскими единицами измерения Conversion tables and results shown on this website are for
information purposes only. Please
contact the webmaster if you find an error on this
site. Although we cannot be held responsible
for errors that may have been made, we shall proceed
with the correction of
any reported error in a timely manner.
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