the meter
The basic unit of mass in the metric system is the gram.
Newtons is the basic metric system unit for weight
The basic unit in the metric system for length is the meter.
the basic unit of weight in metric system; equal to 0.35 ounces
The Kelvin is the official unit of temperature in the SI.
By unit of length and distance and conversion ,we can say that the basic unit of length in the metric system the meter.
meter
meter
Metre
meter
metre.
Metery