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Convert g to mg
Convert gram (g) to milligram (mg) instantly. Free, no signup, nothing is uploaded — everything runs in your browser.
Gram (g)
To
1,000
Milligram (mg)
Gram to Milligram conversion table
| Gram [g] | Milligram [mg] |
|---|---|
| 0.01 | 10 |
| 0.1 | 100 |
| 1 | 1,000 |
| 2 | 2,000 |
| 3 | 3,000 |
| 5 | 5,000 |
| 10 | 10,000 |
| 20 | 20,000 |
| 50 | 50,000 |
| 100 | 100,000 |
| 1,000 | 1,000,000 |
How to convert gram to milligram
mg = g × 1,000
Example: 1.5 g = 1.5 × 1,000 = 1,500 mg
To convert back (milligram to gram): g = mg ÷ 1,000
What is a gram?
A gram (g) is a metric unit of mass equal to one thousandth of a kilogram. The everyday unit for food, small packages, and ingredient quantities in most of the world.
What is a milligram?
A milligram (mg) is a metric unit of mass equal to one thousandth of a gram. The standard unit for medication dosages, supplements, and very small masses.