Milligrams to Ounces converter

To convert milligrams to ounces, enter the value in the first field. The result in ounces is calculated automatically using the exact conversion factor.

1 mg ≈ 0.0000352739619496 oz
1 oz = 28349.523125 mg

Formula: oz ≈ mg × 0.0000352739619496
mg = oz × 28349.523125

Definitions: 1 mg = 0.001 g; 1 oz = 1/16 lb

The milligram (mg) is one thousandth of a gram. It is the standard unit for doses of medicines and supplements, and for nutrients such as sodium and caffeine on food labels.

The ounce (oz) here is the avoirdupois ounce, one sixteenth of a pound, or exactly 28.349523125 grams. It is used in the United States for food packages, postage and small goods, and it is not the same as the troy ounce used for precious metals or the fluid ounce, which measures volume.

See the conversion table with commonly used values, handy for quick reference or study.