Milligrams to ounces
ounces = milligrams × 0.00003527
Reverse: ounces to milligrams
How to convert milligrams to ounces
One milligram is 0.00003527 ounces, so multiply the number of milligrams by 0.00003527. For example, 20 milligrams is 20 × 0.00003527 = 0.00070548 ounces. To go back, divide by the same number, or multiply by 28,349.52.
Quick estimate
Multiplying by about 0.00004 gets within 13.4% of the exact answer, which is enough to check that a result makes sense.
Where it comes up
Mass conversions come up in cooking and baking, shipping and luggage limits, body weight, medicine doses and buying food by weight.
| milligrams | ounces |
|---|---|
| 1 mg | 0.00003527 oz |
| 2 mg | 0.00007055 oz |
| 3 mg | 0.00010582 oz |
| 4 mg | 0.0001411 oz |
| 5 mg | 0.00017637 oz |
| 6 mg | 0.00021164 oz |
| 7 mg | 0.00024692 oz |
| 8 mg | 0.00028219 oz |
| 9 mg | 0.00031747 oz |
| 10 mg | 0.00035274 oz |
| 11 mg | 0.00038801 oz |
| 12 mg | 0.00042329 oz |
| 13 mg | 0.00045856 oz |
| 14 mg | 0.00049384 oz |
| 15 mg | 0.00052911 oz |
| 16 mg | 0.00056438 oz |
| 17 mg | 0.00059966 oz |
| 18 mg | 0.00063493 oz |
| 19 mg | 0.00067021 oz |
| 20 mg | 0.00070548 oz |
| 25 mg | 0.00088185 oz |
| 30 mg | 0.00105822 oz |
| 40 mg | 0.00141096 oz |
| 50 mg | 0.0017637 oz |
| 60 mg | 0.00211644 oz |
| 70 mg | 0.00246918 oz |
| 75 mg | 0.00264555 oz |
| 80 mg | 0.00282192 oz |
| 90 mg | 0.00317466 oz |
| 100 mg | 0.0035274 oz |
| 120 mg | 0.00423288 oz |
| 150 mg | 0.00529109 oz |
| 200 mg | 0.00705479 oz |
| 250 mg | 0.00881849 oz |
| 300 mg | 0.01058219 oz |
| 400 mg | 0.01410958 oz |
| 500 mg | 0.01763698 oz |
| 750 mg | 0.02645547 oz |
| 1,000 mg | 0.03527396 oz |
| 1,500 mg | 0.05291094 oz |
| 2,000 mg | 0.07054792 oz |
| 5,000 mg | 0.17636981 oz |
| 10,000 mg | 0.35273962 oz |
Questions
How many ounces are in a milligram?
0.00003527 ounces.
How do I convert milligrams to ounces in a spreadsheet?
Put the value in A1 and type =A1*0.00003527, then fill the formula down the column.
Are the values in the table exact?
They are calculated from the exact definitions of the units and rounded only for display. Open any row for the full working.