Convert Milligram (mg) to Ounce (oz) instantly. Enter any value — result updates live.
Converting Milligram to Ounce is a common weight conversion. One milligram (mg) equals 0.0000352739907 ounce (oz). Milligrams are used in pharmaceuticals, nutrition, and chemical measurements.
This conversion is commonly needed for grocery shopping abroad, cooking and recipe conversions, fitness and body weight tracking. Ounces are used for food portions, postal weights, and precious metals in the US and UK.
To put milligram in perspective: a daily caffeine limit (about 400 mg). In ounce, common references include a slice of bread (about 1 oz).
Milligrams are precise enough that pharmaceutical dosing regulations often require manufacturing tolerances within a few milligrams to ensure medication safety.
The word 'ounce' derives from the Latin 'uncia,' which was one-twelfth of a Roman pound.
People frequently convert between milligram and ounce for:
| Milligram (mg) | Ounce (oz) |
|---|---|
| 1 mg | 0.0000352739907 oz |
| 2 mg | 0.0000705479814 oz |
| 5 mg | 0.000176369954 oz |
| 10 mg | 0.000352739907 oz |
| 15 mg | 0.000529109861 oz |
| 20 mg | 0.000705479814 oz |
| 25 mg | 0.000881849768 oz |
| 30 mg | 0.00105821972 oz |
| 50 mg | 0.00176369954 oz |
| 100 mg | 0.00352739907 oz |
| 200 mg | 0.00705479814 oz |
| 500 mg | 0.0176369954 oz |
| 1000 mg | 0.0352739907 oz |