Ounces to Milligrams

1 ounce is equal to 28349.5 milligrams. An ounce is a unit of mass used primarily in the British and US customary units of measurement. A milligram is a thousandth of a single gram. A gram is a metric unit of mass used in the SI units of measure. Grams are derived from kilograms for which there are 1000 grams. This converter can be used to convert any amount of ounces to milligrams. Or convert any two units of measure with the PunchlistZero master converter.

ounces milligrams