The result of your conversion between microgram/liter and kiloton/cubic mile [US] appears here
To convert between Microgram/liter and Kiloton/cubic Mile [US] you have to do the following:
First divide 1.0E-9/0.001 / ((0.45359237*2000)*1000)/(((0.0037854118/231)*1728*27)*5451776000) = 0.00459463
Then multiply the amount of Microgram/liter you want to convert to Kiloton/cubic Mile [US], use the chart below to guide you.
Symbol: µg/l
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Symbol: kt/mi³
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