Mass
Mass from laboratory samples to industrial loads.
Try a decimal, 1e-9, 1/3, or 5 1/2.
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Convert ounce (oz) to milligram (mg). Enter a value for an instant result, or use the examples and reverse conversion below.
Mass from laboratory samples to industrial loads.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Enter a ounce value to calculate milligram with full internal precision before display rounding.
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
| Unit | Symbol | Converted value |
|---|---|---|
| microgramfrom oz | µg | 28349500 |
| milligramfrom oz | mg | 28349.5 |
| gramfrom oz | g | 28.3495 |
| kilogramfrom oz | kg | 0.0283495 |
| metric tonnefrom oz | t | 0.0000283495 |
| kilotonnefrom oz | kt | 0.0000000283495 |
| grainfrom oz | gr | 437.5 |
| ouncefrom oz | oz | 1 |
| avoirdupois poundfrom oz | lb | 0.0625 |
| stonefrom oz | st | 0.00446429 |
| short tonfrom oz | ton US | 0.00003125 |
| long tonfrom oz | ton Imp | 0.0000279018 |
| slugfrom oz | slug | 0.00194256 |
| metric caratfrom oz | ct | 141.748 |
| daltonfrom oz | Da | 1.70725e25 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
Ounce (oz) and milligram (mg) are units of mass. Use this page to convert in either direction.
| Ounce (oz) | Milligram (mg) |
|---|---|
| 1 oz | 28349.5 mg |
| 5 oz | 141748 mg |
| 10 oz | 283495 mg |
| 100 oz | 2834950 mg |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.