The result of your conversion between kiloton/cubic mile [US] and pound/cubic foot appears here
To convert between Kiloton/cubic Mile [US] and Pound/cubic Foot you have to do the following:
First divide ((0.45359237*2000)*1000)/(((0.0037854118/231)*1728*27)*5451776000) / 0.45359237/((0.0037854118/231)*1728) = 0.00001359
Then multiply the amount of Kiloton/cubic Mile [US] you want to convert to Pound/cubic Foot, use the chart below to guide you.
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