Not your average calculator site. While Calculate This! does provide standard calculators, there are even more calculators that you probably didn't know you even needed.
Convert milligrams (mg) to Pounds (lb) using this conversion calculator for metric weight conversions. 1 Milligram = 0.000002204622622 Pounds. The formula to convert milligrams to Pounds is to multiply by 0.000002204622622.