oz
mg

How to convert ounces to milligrams

1 ounce is equal to 28349.523125 milligrams:

1 oz = 28349.523125 mg

When a weight W in ounces is multiplied by 28349.523125, it gives weight in milligrams.

Wmg = Woz × 28349.523125


Example

To convert 0.05 ounces into milligrams, it is multiplied by 28349.523125:

(0.05 oz) × 28349.523125 = 1417.47615625 mg

Ounce

The ounce (abbreviation: oz) is used in most British derived customary systems of measurement. The common avoirdupois ounce is ​116 of a common avoirdupois pound and defined as exactly 28.349523125 g under the international yard and pound agreement of 1959, signed by the United States and countries of the Commonwealth of Nations.

Milligrams

A milligram is a unit of mass in the metric system. The symbol of meter is mg. One milligram is defined as one-millionth of a kilogram.

Quick Conversion Table

The quick ounce to milligram conversion table is given below:

OuncesMilligrams
0.01 oz283.4952 mg
0.02 oz566.9905 mg
0.03 oz850.4857 mg
0.04 oz1133.9809 mg
0.05 oz1417.4762 mg
0.06 oz1700.9714 mg
0.07 oz1984.4666 mg
0.08 oz2267.9619 mg
0.09 oz2551.4571 mg
0.1 oz2834.9523 mg