The result of your conversion between kilojoule and grain/ounce [UK] appears here
To convert between Kilojoule and Grain/ounce [UK] you have to do the following:
First divide 1000 / ((0.45359237/16)*(192/175)/480)/(0.00454609/160) = 438.4805624
Then multiply the amount of Kilojoule you want to convert to Grain/ounce [UK], use the chart below to guide you.
Symbol: kJ
No description
Symbol: gr/oz
No description