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The International System of Units, internationally known by the abbreviation SI (from French Système international d'unités), is the modern form of the metric system and the world's most widely used system of measurement.
This publication is the United States version of the English text of the ninth edition of the BIPM SI Brochure, the definitive international reference on the metric system of measurement. It contains the U.S. interpretation and modification of the SI, as well as additional resources and information from NIST and BIPM.
29 paź 2024 · International System of Units (SI), international decimal system of weights and measures derived from and extending the metric system of units. SI has seven basic units, from which others are derived: the second, the meter, the kilogram, the ampere, the kelvin, the mole, and the candela.
Układ SI, właściwie Międzynarodowy Układ Jednostek Miar (fr. Système international d’unités, SI) – znormalizowany układ jednostek miar zatwierdzony w 1960 (później modyfikowany) przez Generalną Konferencję Miar na XI Generalnej Konferencji Miar. Jest stworzony w oparciu o metryczny system miar.
The International System of Units (SI) is the recommended practical system of units of measurement, defined by the BIPM. It is based on nine defining constants that describe the natural world and seven base units: metre, kilogram, second, ampere, kelvin, mole, and candela.
12 kwi 2010 · The International System of Units (SI), commonly known as the metric system, is the international standard for measurement. The International Treaty of the Meter was signed in Paris on May 20, 1875 by seventeen countries, including the United States and is now celebrated around the globe as World Metrology Day.
The BIPM publishes the official brochure of the SI, the modern system of units for measurement based on physical constants. The brochure contains the definitions, realizations, and history of the SI units, as well as appendices and translations.
