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