The result of your conversion between grain/gallon [US] and kiloton/cubic yard [UK] appears here
To convert between Grain/gallon [US] and Kiloton/cubic Yard [UK] you have to do the following:
First divide ((0.45359237/16)*(192/175)/480)/0.0037854118 / ((0.45359237*2240)*1000)/((0.0037854118/231)*1728*27) = 0.00000001
Then multiply the amount of Grain/gallon [US] you want to convert to Kiloton/cubic Yard [UK], use the chart below to guide you.
Symbol:
No description
Symbol:
No description