Changes

: A centilitre (cL) is 1/100th of a litre (L).

To convert from [[centi]] to the base unit you must times by 1000.

: 63000cm = (63000/100)m = 630m

: 4cm = (4/100)m = 0.02m

To convert to [[centi]] from a base unit you must divide by 1000.

: 7m = 7x100cm = 700cm