> Firstly, cms or centimeters in it's full term, is a measurement of
> distance, mls or milliliters is a measurement of liquid, the two are
> not interchangeable. By squaring (cms2) or cubing (cms3) does not
> convert one to the other. The only analogy I can employ is, feet and
> yards do not translate to pints and gallons
1 cubic metre = 1000 litres
I think they are therefore interchangeable.
Harry