Milligram to Ounce Converter
1 mg = 0.000035 oz — convert instantly with formula and table.
Type a value above and it converts instantly — no button to press, no page reload, and the math runs entirely in your browser.
Quick answer: one milligram equals 0.00003527 ounces. So to convert milligrams to ounces, multiply by 0.00003527.
How to convert milligrams to ounces
ounces = milligrams × 0.000035274
The milligram — one thousandth of a gram — is the unit of medicine dosages and nutrition labels, where tiny quantities matter enormously.
The avoirdupois ounce is exactly 28.349523125 grams. It dominates American recipe and food-label weights and is one sixteenth of a pound.
Milligram to Ounce conversion table
| Milligram (mg) | Ounce (oz) |
|---|---|
| 0.01 mg | 0.00000035 oz |
| 0.1 mg | 0.00000353 oz |
| 0.25 mg | 0.00000882 oz |
| 0.4 mg | 0.00001411 oz |
| 0.75 mg | 0.00002646 oz |
| 1.25 mg | 0.00004409 oz |
| 1.75 mg | 0.00006173 oz |
| 2.5 mg | 0.00008818 oz |
| 3.5 mg | 0.00012346 oz |
| 4.5 mg | 0.00015873 oz |
| 6 mg | 0.00021164 oz |
| 8 mg | 0.00028219 oz |
| 10 mg | 0.00035274 oz |
| 12 mg | 0.00042329 oz |
| 14 mg | 0.00049384 oz |
| 16 mg | 0.00056438 oz |
| 18 mg | 0.00063493 oz |
| 20 mg | 0.00070548 oz |
| 24 mg | 0.00084658 oz |
| 26 mg | 0.00091712 oz |
| 30 mg | 0.001058 oz |
| 35 mg | 0.001235 oz |
| 45 mg | 0.001587 oz |
| 55 mg | 0.00194 oz |
| 65 mg | 0.002293 oz |
| 75 mg | 0.002646 oz |
| 85 mg | 0.002998 oz |
| 95 mg | 0.003351 oz |
| 110 mg | 0.00388 oz |
| 125 mg | 0.004409 oz |
| 175 mg | 0.006173 oz |
| 250 mg | 0.008818 oz |
| 350 mg | 0.012346 oz |
| 450 mg | 0.015873 oz |
| 600 mg | 0.021164 oz |
| 750 mg | 0.026455 oz |
| 900 mg | 0.031747 oz |
| 1,500 mg | 0.052911 oz |
| 2,500 mg | 0.088185 oz |
| 10,000 mg | 0.35274 oz |
Need the opposite direction? Use the Ounce to Milligram converter, or read our complete guide to weight conversions for every formula in one place.
Frequently asked questions
How many ounces are in one milligram?
One milligram equals 0.00003527 ounces. Multiply any milligram value by 0.00003527 to get ounces.
What is 10 milligrams in ounces?
10 milligrams equal 0.00035274 ounces (10 × 0.000035).
Is the milligram to ounce conversion exact?
The conversion factor used here (0.000035274) is based on the internationally agreed definitions of both units, so results are exact up to rounding of the final decimal places.
Is my data stored when I use this converter?
No. The conversion runs entirely in your browser with JavaScript — nothing you type is sent to a server, logged or stored.