Convert Milligram to Ounce
Use this free converter to change milligrams (mg) into ounces (oz). Milligram and ounce both measure weight & mass. As a quick reference, 1 mg equals 0.000035273962 oz, and 1 oz equals 28349.523 mg.
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Ounce (oz)
0.000035273962
1 mg = 0.000035273962 oz
Weight & Mass conversion table
| Milligram | Ounce |
|---|---|
| 0.01 | 3.5274e-7 |
| 0.1 | 0.0000035273962 |
| 0.5 | 0.000017636981 |
| 1 | 0.000035273962 |
| 2 | 0.000070547924 |
| 3 | 0.00010582189 |
| 5 | 0.00017636981 |
| 10 | 0.00035273962 |
| 20 | 0.00070547924 |
| 25 | 0.00088184905 |
| 50 | 0.0017636981 |
| 100 | 0.0035273962 |
| 1,000 | 0.035273962 |
How to convert Milligram to Ounce
Multiply the milligram value by 0.000035273962 to get ounces.
- Enter the number of milligrams you want to convert.
- The converter instantly shows the equivalent value in ounces.
- Worked example: 15 mg × 0.000035273962 = 0.00052910943 oz.
- Use the swap button to reverse the conversion (ounce to milligram).
About these units
Milligram (mg)
- Definition
- A milligram (mg) is one thousandth of a gram, used for very small masses such as medication doses.
- History
- It is a standard metric subdivision using the prefix "milli-" (one thousandth).
- Current use
- Milligrams express drug dosages, vitamin content, and quantities in chemistry and pharmacology.
Ounce (oz)
- Definition
- An ounce (oz) is an imperial unit of mass equal to one sixteenth of a pound, about 28.35 grams.
- History
- It also descends from the Roman "uncia" (a twelfth) and was later fixed at 1/16 of the avoirdupois pound.
- Current use
- Ounces measure food portions, postal weights, and ingredients in the US and UK.
Frequently asked questions
How many ounces are in a milligram?
There are 0.000035273962 oz in 1 mg. To convert, multiply the number of milligrams by 0.000035273962.
How do I convert milligrams to ounces?
Multiply the milligram value by 0.000035273962 to get ounces. For example, 10 mg = 0.00035273962 oz.
Is this milligram-to-ounce converter free?
Yes. This converter is completely free, runs entirely in your browser, and requires no sign-up. Your inputs never leave your device.
Convert Milligram to other weight & mass units
| Unit | 1 Milligram equals |
|---|---|
| Kilogram (kg) | 0.000001 kg |
| Gram (g) | 0.001 g |
| Microgram (µg) | 1000 µg |
| Metric Ton (t) | 1.0000e-9 t |
| Pound (lb) | 0.0000022046226 lb |
| Ounce (oz) | 0.000035273962 oz |
| Stone (st) | 1.5747e-7 st |
| US Ton (ton) | 1.1023e-9 ton |
| Imperial Ton (long ton) | 9.8421e-10 long ton |
| Carat (ct) | 0.005 ct |