The result of your conversion between kiloton/cubic mile [UK] and grain/quart [US] appears here
To convert between Kiloton/cubic Mile [UK] and Grain/quart [US] you have to do the following:
First divide ((0.45359237*2240)*1000)/(((0.0037854118/231)*1728*27)*5451776000) / ((0.45359237/16)*(192/175)/480)/(0.0037854118/4) = 0.00356002
Then multiply the amount of Kiloton/cubic Mile [UK] you want to convert to Grain/quart [US], use the chart below to guide you.
Symbol: kt/mi³
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