Ounce to Milligram Conversion Result

Ounce: (symbol: oz) is a unit of weight (or mass) commonly used in the United States customary system and the British imperial system. It has different definitions depending on the context, such as the avoirdupois ounce and the troy ounce, each with its own specific applications.

Avoirdupois Ounce (oz) - most commonly used for everyday measurements of weight in the U.S. Defined as 1/16 of a pound (lb) and is equal to 28.3495 grams (g).

Troy Ounce (oz t) - Used primarily for weighing precious metals like gold, silver, and platinum. And is slightly heavier than an avoirdupois ounce at 31.1035 grams (g).

Milligram: (symbol: mg) is a unit of mass in the metric system. It represents one-thousandth of a gram and is widely used in fields such as medicine, chemistry, and nutrition, where precise measurements of small masses are required.

Interesting Facts:
  • A milligram is about the weight of a small grain of sand
  • A typical cup of coffee contains 80–120 mg of caffeine