Ounces to Milligrams Converter
Enter the weight in ounces below to convert it to milligrams.
Result in Milligrams:
28.349523 g
Do you want to convert milligrams to ounces?
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How to Convert Ounces to Milligrams
To convert a measurement in ounces to a measurement in milligrams, multiply the weight by the following conversion ratio: 28,349.523125 milligrams/ounce.
Since one ounce is equal to 28,349.523125 milligrams, you can use this simple formula to convert:
milligrams = ounces × 28,349.523125
The weight in milligrams is equal to the weight in ounces multiplied by 28,349.523125.
For example, here's how to convert 5 ounces to milligrams using the formula above.
milligrams = (5 oz × 28,349.523125) = 141,747.615625 mg
How Many Milligrams Are in an Ounce?
There are 28,349.523125 milligrams in an ounce, which is why we use this value in the formula above.
1 oz = 28,349.523125 mg
Ounces and milligrams are both units used to measure weight. Keep reading to learn more about each unit of measure.
What Is an Ounce?
One ounce is a unit of mass/weight equal to 1/16 of a pound or 28.349523 grams. The common ounce should not be confused with the troy ounce, which is equal to 1/12 of a troy pound.[1]
The ounce is a US customary and imperial unit of weight. Ounces can be abbreviated as oz; for example, 1 ounce can be written as 1 oz.
Learn more about ounces.
What Is a Milligram?
The milligram is a unit of mass equal to 1/1,000 of a gram, or 0.0154 grains.
The milligram, or milligramme, is an SI unit of weight in the metric system. In the metric system, "milli" is the prefix for thousandths, or 10-3. Milligrams can be abbreviated as mg; for example, 1 milligram can be written as 1 mg.
Learn more about milligrams.
Ounce to Milligram Conversion Table
| Ounces | Milligrams |
|---|---|
| 0.0001 oz | 2.835 mg |
| 0.0002 oz | 5.6699 mg |
| 0.0003 oz | 8.5049 mg |
| 0.0004 oz | 11.34 mg |
| 0.0005 oz | 14.17 mg |
| 0.0006 oz | 17.01 mg |
| 0.0007 oz | 19.84 mg |
| 0.0008 oz | 22.68 mg |
| 0.0009 oz | 25.51 mg |
| 0.001 oz | 28.35 mg |
| 0.002 oz | 56.7 mg |
| 0.003 oz | 85.05 mg |
| 0.004 oz | 113.4 mg |
| 0.005 oz | 141.75 mg |
| 0.006 oz | 170.1 mg |
| 0.007 oz | 198.45 mg |
| 0.008 oz | 226.8 mg |
| 0.009 oz | 255.15 mg |
| 0.01 oz | 283.5 mg |
| 0.02 oz | 566.99 mg |
| 0.03 oz | 850.49 mg |
| 0.04 oz | 1,134 mg |
| 0.05 oz | 1,417 mg |
| 0.06 oz | 1,701 mg |
| 0.07 oz | 1,984 mg |
| 0.08 oz | 2,268 mg |
| 0.09 oz | 2,551 mg |
| 0.1 oz | 2,835 mg |
| 0.2 oz | 5,670 mg |
| 0.3 oz | 8,505 mg |
| 0.4 oz | 11,340 mg |
| 0.5 oz | 14,175 mg |
| 0.6 oz | 17,010 mg |
| 0.7 oz | 19,845 mg |
| 0.8 oz | 22,680 mg |
| 0.9 oz | 25,515 mg |
| 1 oz | 28,350 mg |
References
- James Bucki, Troy Ounce vs. Ounce, The Spruce, https://www.thesprucecrafts.com/troy-ounce-vs-ounce-4588158
More Ounce & Milligram Conversions
Convert from Ounces
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- ounces to pounds
- ounces to metric tons
- ounces to kilograms
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- ounces to carats
- ounces to teaspoons
- ounces to tablespoons
- ounces to fluid ounces
- ounces to cups
- ounces to pints
- ounces to quarts
- ounces to gallons
- ounces to milliliters
- ounces to liters
Convert to Milligrams
- tons to milligrams
- pounds to milligrams
- metric tons to milligrams
- kilograms to milligrams
- grams to milligrams
- calories to milligrams
- long tons to milligrams
- carats to milligrams
- teaspoons to milligrams
- tablespoons to milligrams
- fluid ounces to milligrams
- cups to milligrams
- pints to milligrams
- quarts to milligrams
- gallons to milligrams
- milliliters to milligrams
- liters to milligrams