lets write it down 1000000 MG now lets convert 1 million MGs to grams. every gram is 1000 miligram so we need to devide our original number by 1000 to convert it into grams 1000000÷1000=1000 so 1 million MG is 1000 gram now lets convert grams to kilograms. a kilogram is 1000 grams so we need to devide 1000 grams by 1000 to convert it into kilograms 1000g÷1000=1kg there you go 1 million milligram is 1 kilogram. so by what we learned from here. we can bypass this long procces and just devide by 1 million if we want to convert milligrams to kilograms(since 1 million milligrams is 1 kilogram)