Convert Milligrams to ounces
1 milligram = 0.000035274 ounces · oz = mg ÷ 28,349.52313
When you need this conversion
This conversion goes from milligrams, the unit used for medication doses and nutrition labels, to ounces, the US customary unit for cooking and postage. Both measure the same physical quantity, so the conversion is exact — the difference is which unit your source, tool, or region happens to use.
Milligrams to ounces conversion table
| Milligrams (mg) | Ounces (oz) |
|---|---|
| 1 mg | 0.000035274 oz |
| 2 mg | 0.000070548 oz |
| 3 mg | 0.000105822 oz |
| 5 mg | 0.00017637 oz |
| 10 mg | 0.00035274 oz |
| 15 mg | 0.000529109 oz |
| 20 mg | 0.000705479 oz |
| 25 mg | 0.000881849 oz |
| 50 mg | 0.001763698 oz |
| 75 mg | 0.002645547 oz |
| 100 mg | 0.003527396 oz |
| 250 mg | 0.00881849 oz |
| 500 mg | 0.017637 oz |
| 1,000 mg | 0.035274 oz |
The formula
oz = mg ÷ 28,349.52313Because both units measure weight, the conversion is a single multiplication by a fixed factor. That factor never changes, so the result is exact.
Convert the other way
Ounces to milligrams →Related weight conversions
- Grams to ounces
- Grams to carats
- Kilograms to pounds
- Kilograms to stones
- Metric tons to US tons
- Ounces to grams
- Pounds to kilograms
- Stones to kilograms
- US tons to metric tons
- Carats to grams
- Milligrams to grams
- Milligrams to kilograms
Frequently asked questions
- How many ounces are in a milligram?
- There are 0.000035274 ounces in 1 milligram. The formula is oz = mg ÷ 28,349.52313.
- How do you convert milligrams to ounces?
- Use the formula oz = mg ÷ 28,349.52313. For example, 10 milligrams equals 0.00035274 ounces.
- Is the milligrams to ounces conversion exact?
- Yes. Milligrams and ounces are both units of weight, related by an exact defined factor. Displayed results are rounded for readability.
- What is mg short for?
- mg is the standard symbol for milligram. oz is the symbol for ounce.