Resultado da Busca
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.
Sistema Internacional de Unidades[ 1] (sigla SI, do francês Système International d'unités) [ 2] é a forma moderna do sistema métrico e é geralmente um sistema de unidades de medida concebido em torno de sete unidades básicas e da conveniência do número dez. É o sistema de medição mais usado do mundo, tanto no comércio todos os dias e na ciência...
The metric system is a decimal-based system of measurement. The current international standard for the metric system is the International System of Units (Système international d'unités or SI), in which all units can be expressed in terms of seven base units: the metre, kilogram, second, ampere, kelvin, mole, and candela.
12 de abr. de 2010 · Learn about the International System of Units (SI), also known as the metric system, and its seven base units, defining constants, and derived units. Find resources for students, teachers, and the public on SI education, history, and applications.
13 de abr. de 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.
- The Editors of Encyclopaedia Britannica
Officially known as the International System of Units (SI), the metric system is the international standard system of measurement units. It is based on the standard decimal number system, and is designed to be easy to learn, and simple to use.
The recommended practical system of units of measurement is the International System of Units ( Système International d'Unités ), with the international abbreviation SI. From 20 May 2019 all SI units are defined in terms of constants that describe the natural world.
