Input the amount of grains you want to convert to milligrams in the below input field, and then click in the **"Convert"** button.
But if you want to convert from milligrams to grains, please checkout this tool.

Formula used to convert *gr* to *mg*:

For example, if you want to convert 15 *gr* to *mg*, just replace **x** by **15** [gr]:

- Multiply the amount of grains by 64.79891.
- The result will be expressed in milligrams.

The following table will show the most common conversions for Grains (gr) to Milligrams (mg):

Grains (gr) | Milligrams (mg) |
---|---|

0.001 gr | 0.06479891 mg |

0.01 gr | 0.6479891 mg |

0.1 gr | 6.479891 mg |

1 gr | 64.79891 mg |

2 gr | 129.59782 mg |

3 gr | 194.39673 mg |

4 gr | 259.19564 mg |

5 gr | 323.99455 mg |

6 gr | 388.79346 mg |

7 gr | 453.59237 mg |

8 gr | 518.39128 mg |

9 gr | 583.19019 mg |

10 gr | 647.9891 mg |

20 gr | 1295.9782 mg |

30 gr | 1943.9673 mg |

40 gr | 2591.9564 mg |

50 gr | 3239.9455 mg |

60 gr | 3887.9346 mg |

70 gr | 4535.9237 mg |

80 gr | 5183.9128 mg |

90 gr | 5831.9019 mg |

100 gr | 6479.891 mg |

A grain is a unit of mass, equal to exactly 64.79891 milligrams (independently of the type of pound used). It is nominally based upon the mass of a single virtual ideal seed of a cereal. The symbol used to define grains is **gr**.

A milligram is a unit of weight that is based on the International System of Units. The symbol used to represent the milligram is **mg**. One milligram is equal to 1/1,000 grams, or 1/1,000,000 kilograms. Is often used to measure weight or mass of food, vitamins, minerals and more.

- Grains (gr) to Grams (g) calculator
- Grains (gr) to Milligrams (mg) calculator
- Grains (gr) to Centigrams (cg) calculator
- Grains (gr) to Decigrams (dg) calculator
- Grains (gr) to Decagrams (dag) calculator
- Grains (gr) to Hectograms (hg) calculator
- Grains (gr) to Kilograms (kg) calculator
- Grains (gr) to Megagrams (Mg) calculator
- Grains (gr) to Gigagrams (Gg) calculator
- Grains (gr) to Teragrams (Tg) calculator
- Grains (gr) to Metric tonnes (t) calculator
- Grains (gr) to Pounds (lb) calculator
- Grains (gr) to Ounces (oz) calculator
- Grains (gr) to Drams (dr) calculator
- Centigrams (cg) to Milligrams (mg) calculator
- Decigrams (dg) to Milligrams (mg) calculator
- Grams (g) to Milligrams (mg) calculator
- Decagrams (dag) to Milligrams (mg) calculator
- Hectograms (hg) to Milligrams (mg) calculator
- Kilograms (kg) to Milligrams (mg) calculator
- Megagrams (Mg) to Milligrams (mg) calculator
- Gigagrams (Gg) to Milligrams (mg) calculator
- Teragrams (Tg) to Milligrams (mg) calculator
- Metric tonnes (t) to Milligrams (mg) calculator
- Drams (dr) to Milligrams (mg) calculator
- Ounces (oz) to Milligrams (mg) calculator
- Pounds (lb) to Milligrams (mg) calculator
- Milligrams (mg) to Grams (g) calculator
- Milligrams (mg) to Centigrams (cg) calculator
- Milligrams (mg) to Decigrams (dg) calculator
- Milligrams (mg) to Decagrams (dag) calculator
- Milligrams (mg) to Hectograms (hg) calculator
- Milligrams (mg) to Kilograms (kg) calculator
- Milligrams (mg) to Megagrams (Mg) calculator
- Milligrams (mg) to Gigagrams (Gg) calculator
- Milligrams (mg) to Teragrams (Tg) calculator
- Milligrams (mg) to Metric tonnes (t) calculator
- Milligrams (mg) to Pounds (lb) calculator
- Milligrams (mg) to Ounces (oz) calculator
- Milligrams (mg) to Grains (gr) calculator
- Milligrams (mg) to Drams (dr) calculator
- Drams (dr) to Grains (gr) calculator
- Ounces (oz) to Grains (gr) calculator
- Pounds (lb) to Grains (gr) calculator
- Centigrams (cg) to Grains (gr) calculator
- Decigrams (dg) to Grains (gr) calculator
- Grams (g) to Grains (gr) calculator
- Decagrams (dag) to Grains (gr) calculator
- Hectograms (hg) to Grains (gr) calculator
- Kilograms (kg) to Grains (gr) calculator
- Megagrams (Mg) to Grains (gr) calculator
- Gigagrams (Gg) to Grains (gr) calculator
- Teragrams (Tg) to Grains (gr) calculator
- Metric tonnes (t) to Grains (gr) calculator

Grain to Milligram is a free and online calculator that converts Grains to Milligrams.

You just have to insert the amount of Grains you want to convert and press the **"Convert"** button. The amount of Milligrams will be outputed in the input field below the button.

All mayor web browsers are supported, including Internet Explorer, Microsoft Edge, Firefox, Chrome, Safari and Opera.

Grain to Milligram calculator works in any device that supports any of the browsers mentioned before. It can be a smartphone, desktop computer, notebook, tablet, etc.