In the SI - the current metric system - that would be the kilogram. In older metric systems, the gram has been used as the unit of mass.
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The fundamental unit is the gram. However the standard unit (SI) used is the kilogram (1000 grams).AnswerThe terms 'fundamental unit' or 'standard unit' are not used in SI. The correct term is 'base unit', and the base unit for mass is the kilogram.
newton
he standard unit of length in the metric system is the meter
The standard International System of Units (SI) unit of mass is the kilogram (kg).
No. "Metric" refers to a system of measurement - of mass, length, volume etc. Tonne is a unit for measuring mass.