Work Step by Step
$1~g = 1000 ~mg$ $1~kg = 1000~g$ $1~kg = 1,000,000~mg$ To convert from units of $mg$ to units of $kg$, we need to move the decimal point 6 places to the left. $450 ~mg = 0.00045 ~kg$
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.