The Kelvin. Most people think it is the Celsius.
The Kelvin is the official unit of temperature in the SI.
Newtons is the basic metric system unit for weight
The kilogram is the Base Unit (not 'basic' unit) in the SI system (not 'metric system') for mass.
measuring temperature the metric system of °C is used.
degree celsius
the basic unit of weight in metric system; equal to 0.35 ounces
degrees Celsius
By unit of length and distance and conversion ,we can say that the basic unit of length in the metric system the meter.
Metery
meter
meter
meter