# Convert Ounces to Milligrams

## Learn How to Convert Ounces to Milligrams Using our Conversion Formula

Converting an ounce weight measurement to a milligram measurement involves multiplying your weight by the conversion ratio to find the result. An ounce is equal to 28349.523125 milligrams, so to convert simply multiply by 28349.523125.

For example, 5oz = (5 × 28349.523125) = 141,747.615625mg.

Ounces and milligrams are both units used to measure weight. Learn more about weight and
find more weight measurement conversion calculators.
An ounce is an imperial measurement and can be abbreviated as *oz*, for example 1oz.
A milligram is a metric measurement and can be abbreviated as *mg*, for example 1mg.
Learn more about the metric system, including the common unit prefixes and how to convert between metric units.

## More Weight Conversions

- Convert to Tons Weight
- 1oz is equal to 3.125E-5 tons
- Convert to Pounds Weight
- 1oz is equal to 0.0625 pounds
- Convert to Metric Tons Weight
- 1oz is equal to 2.835E-5 metric tons
- Convert to Kilograms Weight
- 1oz is equal to 0.02835 kilograms
- Convert to Grams Weight
- 1oz is equal to 28.349523 grams
- Convert to Carats Weight
- 1oz is equal to 141.747616 carats

## Ounce Measurements and Equivalent Milligram Conversions

Ounces | Milligrams | Ounces | Milligrams | Ounces | Milligrams |
---|---|---|---|---|---|

1 | 28,350 | 21 | 595,340 | 41 | 1,162,330 |

2 | 56,699 | 22 | 623,690 | 42 | 1,190,680 |

3 | 85,049 | 23 | 652,039 | 43 | 1,219,029 |

4 | 113,398 | 24 | 680,389 | 44 | 1,247,379 |

5 | 141,748 | 25 | 708,738 | 45 | 1,275,729 |

6 | 170,097 | 26 | 737,088 | 46 | 1,304,078 |

7 | 198,447 | 27 | 765,437 | 47 | 1,332,428 |

8 | 226,796 | 28 | 793,787 | 48 | 1,360,777 |

9 | 255,146 | 29 | 822,136 | 49 | 1,389,127 |

10 | 283,495 | 30 | 850,486 | 50 | 1,417,476 |

11 | 311,845 | 31 | 878,835 | 51 | 1,445,826 |

12 | 340,194 | 32 | 907,185 | 52 | 1,474,175 |

13 | 368,544 | 33 | 935,534 | 53 | 1,502,525 |

14 | 396,893 | 34 | 963,884 | 54 | 1,530,874 |

15 | 425,243 | 35 | 992,233 | 55 | 1,559,224 |

16 | 453,592 | 36 | 1,020,583 | 56 | 1,587,573 |

17 | 481,942 | 37 | 1,048,932 | 57 | 1,615,923 |

18 | 510,291 | 38 | 1,077,282 | 58 | 1,644,272 |

19 | 538,641 | 39 | 1,105,631 | 59 | 1,672,622 |

20 | 566,990 | 40 | 1,133,981 | 60 | 1,700,971 |