How to convert milligrams to ounces
oz = mg × 0.00003527396195Multiply the value in milligrams by 0.00003527396195. To go the other way, multiply by 28,349.52313 (or divide by 0.00003527396195).
A milligram is smaller than an ounce: it takes 28,349.52313 milligrams to make one ounce.
Worked examples
- 1 milligram1 mg × 0.00003527396195 = 0.00003527396195 oz
- 5 milligrams5 mg × 0.00003527396195 = 0.0001763698097 oz
- 10 milligrams10 mg × 0.00003527396195 = 0.0003527396195 oz
- 20 milligrams20 mg × 0.00003527396195 = 0.000705479239 oz
- 100 milligrams100 mg × 0.00003527396195 = 0.003527396195 oz
Milligrams to ounces conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| Milligrams (mg) | Ounces (oz) |
|---|---|
| 0.1 mg | 0.0000035273962 oz |
| 0.25 mg | 0.0000088184905 oz |
| 0.5 mg | 0.000017636981 oz |
| 1 mg | 0.000035273962 oz |
| 2 mg | 0.000070547924 oz |
| 3 mg | 0.00010582189 oz |
| 4 mg | 0.00014109585 oz |
| 5 mg | 0.00017636981 oz |
| 6 mg | 0.00021164377 oz |
| 7 mg | 0.00024691773 oz |
| 8 mg | 0.0002821917 oz |
| 9 mg | 0.00031746566 oz |
| 10 mg | 0.00035273962 oz |
| Milligrams (mg) | Ounces (oz) |
|---|---|
| 12 mg | 0.00042328754 oz |
| 15 mg | 0.00052910943 oz |
| 20 mg | 0.00070547924 oz |
| 25 mg | 0.00088184905 oz |
| 30 mg | 0.0010582189 oz |
| 40 mg | 0.0014109585 oz |
| 50 mg | 0.0017636981 oz |
| 75 mg | 0.0026455471 oz |
| 100 mg | 0.0035273962 oz |
| 250 mg | 0.0088184905 oz |
| 500 mg | 0.017636981 oz |
| 1,000 mg | 0.035273962 oz |
About the units
Milligram (mg)
One thousandth of a gram. Medication doses and vitamin contents are usually given in milligrams. One milligram equals 0.000001 kilograms (kg).
Ounce (oz)
One sixteenth of a pound: exactly 28.349523125 g. Not to be confused with the fluid ounce (volume) or the troy ounce used for precious metals. One ounce equals 0.02834952313 kilograms (kg).
Frequently asked questions
How many ounces are in one milligram?
There are 0.00003527396195 ounces in one milligram, and this value is exact by definition.
How do I convert milligrams to ounces?
Multiply the number of milligrams by 0.00003527396195. For example, 10 mg × 0.00003527396195 = 0.0003527396195 oz.
How many milligrams are in one ounce?
One ounce equals 28,349.52313 milligrams. That is the reverse factor, 1 ÷ 0.00003527396195.
What is 10 milligrams in ounces?
10 mg = 0.0003527396195 oz.
Is this mg to oz converter accurate?
Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.