Question: 1 drum equals how many cubic meters?
Answer: Convert Drums (55 Us Gal) to Cubic Meters Exact measures of drum size may vary by manufacturer or intended use. 55 US gal is a common drum size; metric sizes may be 200, 205, or 208 litres (208 being closest to 55 US gal). 1 Drum = 0.20819764812 cubic meters (SI base unit).