Ounce to Milligram Converter

28,349.523125 milligrams
Result in Milligrams (mg)

Understanding Ounce to Milligram Conversion

Conversion Formula

To convert ounces (oz) to milligrams (mg), multiply the ounce value by 28,349.523125. This conversion factor is based on the standard definition of 1 ounce being equal to 28.349523125 grams.

milligrams = ounces × 28,349.523125

What is an Ounce?

An ounce is a unit of weight equal to 1/16 of a pound in the imperial and US customary systems.

What is a Milligram?

A milligram is a metric unit of mass equal to one-thousandth (1/1000) of a gram.