Question: is cbm the same as m3?
Answer: As for Wood & Timber Industry, CBM is the abbreviation of Cubic Meter, which is a metric unit of volume for timber products . But some of persons like to use M3 as the unit of volume, because M3 also means Cubic Meter , i.e. "M3" And "CBM" are both stand for the Metric Unit of Measurement - Cubic Meter.