Cubic decameters to tons (freight) conversion calculator above calculates how many tons (freight) are in 'X' cubic decameters (where 'X' is the number of cubic decameters to convert to tons (freight)). In order to convert a value from cubic decameters to tons (freight) (from dam³ to FT) simply type the number of dam³ to be converted to FT and then click on the 'convert' button.