Weight · g → mg
Grams to Milligrams
Enter any value below to convert grams to milligrams instantly.
To
1 g = 1,000 mg
Conversion formula
How to convert g to mg
mg = g × 1,000
Multiply the grams value by 1,000 to get milligrams. The converter keeps extra precision internally and rounds only the displayed answer.
Converting grams to milligrams helps with recipes, shipping, fitness, luggage and product weights listed in different measurement systems.
Worked example
Convert 10 g10 g = 10,000 mg
Calculated with the published formula. No estimated exchange rates or hidden rounding.
Common grams to milligrams values
| Grams (g) | Milligrams (mg) |
|---|---|
| 1 g | 1,000 mg |
| 5 g | 5,000 mg |
| 10 g | 10,000 mg |
| 25 g | 25,000 mg |
| 50 g | 50,000 mg |
| 100 g | 100,000 mg |
Quick answer
How many milligrams are in one gram?
One gram equals 1,000 mg.