Because the system was developed by the French who chose to name it in their own language.
International System of Units (SI)
SI means "International System [of Units]" (from the French abbreviation).
The International System of Units is abbreviated SI from the French Le Système International d'Unités. It is the modern form of the international metric system. Scroll down to related links and look at "International System of Units - Wikipedia".
The International system of units, From the French Systeme International d'Unites.
SI is an abbreviation of the French "le Système International d'unités"which when translated in to English means "The International System of Units".
- Si is the chemical symbol for silicon- SI is an abbreviation for International System of Units
An SI unit is a unit of measure from the International System of Units. SI is the abbreviation for the French Système international d'unités
It is called "SI" (for the French abbreviation of "International System"), and is a version of the metric system.
The International System of Units (Système international d'unités), known by its abbreviation, the SI system.
SI is an International System of Units that defines the use of units in scientific studies. SI is the abbreviation of the french Système international d'unités. It supports a version of the metric system using the metre-kilogram-second system of units(MKS) where we:use meters for length instead of kilometers, centimeters, feet, miles, etc.use kilogram for mass instead of pounds, ounces, grams, etc.Specify time in seconds instead of minutes, hours
It is the International System of Units, which gets its abbreviation from its French name: Systeme (first e with a grave accent) international d'unites (e with an acute accent).
It's used for all measurement in most of the world. This is also called the metric system; SI is the French abbreviation for System International - and it's used internationally. The US is the most obvious country that doesn't use metric units for everyday measure, although these units are used in science and medicine among others.