Megacalories to standard cubic yards conversion calculator above calculates how many standard cubic yards are in 'X' megacalories (where 'X' is the number of megacalories to convert to standard cubic yards). In order to convert a value from megacalories to standard cubic yards (from Mcal to scy) just type the number of Mcal to be converted to scy and then click on the 'convert' button.