Metric.
Only the metric system (SI - International System of Units) is scientific and legal around the world. The English system is obsolete.
The english system is the metric system. There is no difference.
The metric system (SI, to be precise) is used everywhere in the scientific community, and most of the units are used in practice in most countries of the world.
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.
metric
There is only 1 metric system - a German litre equals an English litre.
The metric system.
SI units describes the metric system units that are used in scientific data.
SI units describes the metric system units that are used in scientific data.
English: pound. Metric: kilogram.
The gram is a metric unit of mass.