The answer depends on where the numbers are.
The SI unit of length is the meter.
You don't convert from units to "numbers". You convert from one unit to another unit. You can convert from km to meters, to millimeters, or to some other unit of length.
None. A millimetre is a unit of measurement of length. It contains no numbers.
Kilometres.
a straight line distance between two points is known as length. its SI unit is meter (m).
A meter is a unit of length; a milliliter is a unit of volume.
The pound is a mass unit while inch is a length unit
Grams are a unit of mass while mm are a unit of length. There is no conversion between the two units.
A centimeter is a unit of length, a cubic centimeter is a unit of volume.
Kilometres are the appropriate unit.
We can measure how long things are , how tall,or how far apaart they are .Those are examples of length meaasurements. The basic unit of length is meters.
The frontal length.
Kilometers