what is the international system of units used by most scientists
The SI base units. The International System of Units (French: SystÃ¨me international d'unitÃ©s pronounced: [sistÉm ÉÌtÉÊnasjÉnal dynite]; abbreviated as SI) is the modern form of the metric system, and is the most widely used system of measurement. It comprises a coherent system of units of measurement built on seven base units.