There are 7 fundamental S.I units for conversion .
Thus by conversion table :
It is clear that, The several unit of length are as follows :
we can say that km ,h,mdam,m,dm,cm,mm are the units of length .
Length is measured in metres.
Metre is the SI, or metric, base unit of length.
The basic lengths of the metric system ismilli,centi,gram,litre,metre,etc.
Length
Length in metric units is usually in meters, centimeters, millimeters, and kilometers but there are other possible metric units of length. Volume in metric units is usually in liters, cubic centimeters or cubic meters but there are other possible metric units of volume. Mass in metric units is usually in kilograms, grams, or metric tons - although there are other possible metric units of mass.
gab
length / distance
About a meter.
It's the meter.
For volume or length, respectively.
5m
Meter, millimeter, and centimeter.