Ounces and Milligrams Conversion

Enter Ounce (oz)
Enter Milligram (mg)
Enter Gram & mg

How many milligrams (mg) in an ounce?

There are 28349.5231 milligrams in 1 ounce (oz). To convert oz to mg, multiply the oz value by 28349.5231.

For example, to find out how many milligrams in an ounce and a half, multiply 1.5 by 28349.5231, that makes 42524.28465 mg in an ounce and a half.

1 Ounce = 28349.5231 Milligrams

How many ounces in a milligram?

1 Milligram (mg) is equal to 0.00003527396 ounce (oz). To convert milligrams to ounces, multiply the milligram value by 0.00003527396 or divide by 28349.5231.

1 Milligram = 0.00003527396 Ounce

What is Ounce?

Ounce is an imperial and United States Customary measurement systems mass unit. 1 Avoirdupois ounce is equal to 28349.5231 mg. The symbol is "oz".

What is Milligram?

Milligram is a unit of mass in the metric system. 1 Milligram (mg) is equal to 0.001 gram (g). The symbol is "mg".

Create Custom Conversion Table
Click "Create Table". Enter a "Start" value (5, 100 etc). Select an "Increment" value (0.01, 5 etc) and select "Accuracy" to round the result.