The result of your conversion between nanogram/cubic kilometer and pound/cubic mile appears here
To convert between Nanogram/cubic Kilometer and Pound/cubic Mile you have to do the following:
First divide 1.0E-12/1.0E+9 / 0.45359237/(((0.0037854118/231)*1728*27)*5451776000) = 0.
Then multiply the amount of Nanogram/cubic Kilometer you want to convert to Pound/cubic Mile, use the chart below to guide you.
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