The result of your conversion between nanogram/microliter and pound/cubic foot appears here
To convert between Nanogram/microliter and Pound/cubic Foot you have to do the following:
First divide 1.0E-12/1.0E-9 / 0.45359237/((0.0037854118/231)*1728) = 0.00006243
Then multiply the amount of Nanogram/microliter you want to convert to Pound/cubic Foot, use the chart below to guide you.
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