The result of your conversion between pound/cubic mile and kiloton/cubic mile [US] appears here
To convert between Pound/cubic Mile and Kiloton/cubic Mile [US] you have to do the following:
First divide 0.45359237/(((0.0037854118/231)*1728*27)*5451776000) / ((0.45359237*2000)*1000)/(((0.0037854118/231)*1728*27)*5451776000) = 0.0000005
Then multiply the amount of Pound/cubic Mile you want to convert to Kiloton/cubic Mile [US], use the chart below to guide you.
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