The base unit of mass is the kilogram.
It is called a gram
All of the above except the yard. Yards are an Imperial measurement, not metric.
gram
a gram
It is a measurement of mass.
Kilograms are used to express the metric measurement of mass.
The measurement unit is a kilogram.
The measurement unit is a kilogram.
Gram.
Meters are a metric measurement for length and a Kilogram is a metric measurement of mass, You can not convert between these units.
In the metric system, the Gram, as in kilogram is the standardfor mass measurement
No. "Metric" refers to a system of measurement - of mass, length, volume etc. Tonne is a unit for measuring mass.