Convert Milligram to Gram
Turn Milligrams into Grams in an instant. Type a value below to get an accurate mg → g result, with the formula and a quick-reference table.
1 mg = 0.001 g
Quick answer: 1 Milligram = 0.001 Gram
Milligram to Gram conversion table
| Milligram (mg) | Gram (g) |
|---|---|
| 1 mg | 0.001 g |
| 2 mg | 0.002 g |
| 5 mg | 0.005 g |
| 10 mg | 0.01 g |
| 20 mg | 0.02 g |
| 50 mg | 0.05 g |
| 100 mg | 0.1 g |
| 500 mg | 0.5 g |
| 1,000 mg | 1 g |
How to convert Milligram to Gram
To convert Milligrams to Grams, multiply the value by 0.001.
- Take your measurement in Milligrams.
- Multiply it by 0.001 — the number of Grams in one Milligram.
- The result is the same amount, expressed in Grams.
To go the other way, multiply Grams by 1,000 — or simply divide by 0.001.
For example, a typical paracetamol tablet is about 500 mg, which is 0.5 g.
About Milligram and Gram
A milligram is one-thousandth of a gram (1/1000 g), a unit for very small masses. It is used for medicine doses, vitamins and nutritional amounts.
A gram is the everyday metric unit of mass, one-thousandth of a kilogram. It is used for food portions, cooking ingredients and postage.
Both the Milligram and the Gram are metric units, so converting between them is just a change of scale: one Milligram equals 0.001 Grams, and the Gram is the larger unit.
Other weight & mass conversions
Frequently asked questions
How many Grams are in a Milligram?
1 Milligram equals 0.001 Gram (mg → g). To convert any amount, multiply the number of Milligrams by 0.001.
How do I convert Milligram to Gram?
Enter the number of Milligrams in the converter above and read the result in Grams. It applies the exact mg → g factor instantly, with full precision.
Is the Milligram to Gram converter free?
Yes — it is completely free and unlimited, needs no sign-up, and runs right in your browser, so it is instant and private.
Is the conversion accurate?
Yes. It uses the internationally defined weight & mass factors and full floating-point precision, then rounds the display to a clean, readable number.