The result of your conversion between grain/ounce [US] and kiloton/cubic yard [US] appears here
To convert between Grain/ounce [US] and Kiloton/cubic Yard [US] you have to do the following:
First divide ((0.45359237/16)*(192/175)/480)/(0.0037854118/128) / ((0.45359237*2000)*1000)/((0.0037854118/231)*1728*27) = 0.00000185
Then multiply the amount of Grain/ounce [US] you want to convert to Kiloton/cubic Yard [US], use the chart below to guide you.
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