The result of your conversion between Btu and milligram/cubic millimeter appears here
To convert between Btu and Milligram/cubic Millimeter you have to do the following:
First divide 1055.0559 / 0.000001/1.0E-9 = 1.0550559
Then multiply the amount of Btu you want to convert to Milligram/cubic Millimeter, use the chart below to guide you.
Symbol: Btu
No description
Symbol: mg/mm³
No description