Ounces to milligrams (oz to mg) converter

You can enter a value in either the ounces (oz) or milligrams (mg) input fields. For an understanding of the conversion process, we include algebraic formulas.

See conversions to common Mass/Weight units and easily switch Mass/Weight units in the two tabbed section below. Use the search bar above to find additional conversions.

Tip: Click the "Swap" button to switch from converting ounces to milligrams to milligrams to ounces.

ounces (oz)

 

milligrams (mg)

 
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1 oz = 28349.523125 mg 1 mg = 3.527E-5 oz

Algebraic Steps / Dimensional Analysis Formula
oz * 1 lb
16 oz		 * 1 kg
2.2046 lb		 * 1000000 mg
1 kg		 = mg

Direct Conversion Formula
oz * 28349.523125 mg
1 oz		 = mg

If you would like to switch between Mass/Weight units, select from the tables below

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