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