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Open toolOunces (avoirdupois) to Milligrams
Convert ounces (avoirdupois) (oz) to milligrams (mg) with a copyable result.
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THE QUICK GUIDE
How to use ounces (avoirdupois) to milligrams
Enter a value in ounces (avoirdupois), choose your display precision, and select Convert. Use Swap units to calculate the reverse direction.
How it works
Mass conversion: multiply the value in oz by 28349.523125 to obtain mg. Both units are related through kilograms.
A useful example
1 oz = 28349.523125 mg.
Good to know
Uses mass units as labelled. Floating-point arithmetic is approximate; results show up to 12 significant digits. Very large or small results use scientific notation. Pounds and ounces are avoirdupois, not troy.