Tons (register) to cubic decameters converter on this page calculates how many cubic decameters are in 'X' tons (register) (where 'X' is the number of tons (register) to convert to cubic decameters). In order to convert a value from tons (register) to cubic decameters (from RT to dam³) just type the number of RT to be converted to dam³ and then click on the 'convert' button.