# Metric system

## Metre-based systems of measurement / From Wikipedia, the free encyclopedia

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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.

For a topical guide, see Outline of the metric system.