Convert Grams to Milligrams
1 gram = 1,000 milligrams. Type any value below to convert in either direction — the calculation happens in your browser.
Grams to Milligrams formula
Multiply the number of grams by 1000 to get milligrams.
milligrams = grams × 1000To go the other way: divide the number of milligrams by 1000, or multiply by 0.001.
grams = milligrams ÷ 1000Grams to Milligrams conversion table
| Grams | Milligrams |
|---|---|
| 1 g | 1,000 mg |
| 2 g | 2,000 mg |
| 3 g | 3,000 mg |
| 4 g | 4,000 mg |
| 5 g | 5,000 mg |
| 6 g | 6,000 mg |
| 7 g | 7,000 mg |
| 8 g | 8,000 mg |
| 9 g | 9,000 mg |
| 10 g | 10,000 mg |
| 15 g | 15,000 mg |
| 20 g | 20,000 mg |
| 25 g | 25,000 mg |
| 30 g | 30,000 mg |
| 40 g | 40,000 mg |
| 50 g | 50,000 mg |
| 75 g | 75,000 mg |
| 100 g | 100,000 mg |
| 250 g | 250,000 mg |
| 500 g | 500,000 mg |
| 1,000 g | 1,000,000 mg |
Milligrams to Grams conversion table
| Milligrams | Grams |
|---|---|
| 1 mg | 0.001 g |
| 2 mg | 0.002 g |
| 3 mg | 0.003 g |
| 4 mg | 0.004 g |
| 5 mg | 0.005 g |
| 6 mg | 0.006 g |
| 7 mg | 0.007 g |
| 8 mg | 0.008 g |
| 9 mg | 0.009 g |
| 10 mg | 0.01 g |
About the gram
A gram is one thousandth of a kilogram and is the everyday unit for food and small quantities.
About the milligram
A milligram is one thousandth of a gram, the standard unit for medication doses and nutrient content.
Frequently asked questions
How many milligrams are in a gram?
There are 1,000 milligrams in one gram.
How many grams are in a milligram?
There are 0.001 grams in one milligram.
Is this conversion exact?
The ratio between the gram and the milligram is fixed by definition, so the conversion is exact — the figures shown here are rounded for readability only.
What is 10 grams in milligrams?
10 grams equals 10,000 milligrams.