Milligrams to Ounces Converter
1 milligram ≈ 0.0000352739619 ounces
A unit of mass. The fluid ounce is a unit of volume and lives in the Volume category.
1 milligram equals 0.000035274 ounces
How to convert milligrams to ounces
These units measure mass. Pounds and ounces mean avoirdupois unless the unit explicitly says troy; a fluid ounce measures volume and requires a density to relate it to mass.
oz = mg × 0.00003527396195One milligram is 0.00003527396195 ounces, so a single multiplication converts any value.
0.00035274 oz ≈ 10 × 0.00003527396195A unit of mass. The fluid ounce is a unit of volume and lives in the Volume category.
Milligrams to ounces conversion table
Common values in milligrams, converted to ounces.
| Milligrams (mg) | Ounces (oz) |
|---|---|
| 1 | 0.000035273962 |
| 2 | 0.000070547924 |
| 3 | 0.00010582189 |
| 4 | 0.00014109585 |
| 5 | 0.00017636981 |
| 10 | 0.00035273962 |
| 20 | 0.00070547924 |
| 25 | 0.00088184905 |
| 50 | 0.0017636981 |
| 100 | 0.0035273962 |
| 250 | 0.0088184905 |
| 500 | 0.017636981 |
| 1,000 | 0.035273962 |
About these units
milligrammg
One thousandth of a gram, the standard unit for medication doses.
ounceoz
The avoirdupois ounce: exactly 1/16 pound.
Sources and precision
Table results are rounded to 8 significant digits; formula constants may be rounded to 10. Worked example answers use 6 significant digits. The converter starts at 6 significant digits and lets you change display precision. Calculations use the stored factors without intermediate rounding. Exact unit definitions do not make an input measurement more precise; conventional and measured factors follow the assumptions stated here.