There is only 1 metric system - a German litre equals an English litre.
No, it is not part of the metric system. A quart is equivalent to .95 liters.
The english system is the metric system. There is no difference.
liter
The English system is a measurement system; in a sense it is a metric system but it is not the metric system, so I would avoid using that word to describe it.
Inches are part of the English system and centimeters are part of the metric system.
The metric system.
liter
No, a liter is the standard unit of volume in the metric system. If you're looking for the standard unit of mass, it would be the gram.
English: pound. Metric: kilogram.
The gram is a metric unit of mass.
mili litre.