Weight converter
Milligram to Gram Converter
Convert mg to g or reverse with one click. Type a value below for an instant result.
Milligram mg
Gram g
mg → g · runs in your browser, no server
How to convert milligram to gram
Milligram (mg) and Gram (g) both measure weight. Whether you are studying, traveling, cooking, or working on a project, converting between them should be fast and accurate.
Looking for the opposite direction? See our dedicated gram to milligram converter — same formula reversed, with content written for that direction.
The standard relationship used on this page means that 1 milligram equals 0.001 g. Enter any number in the calculator — use the swap button to reverse the direction without leaving the page.
Converting 500 mg gives 0.5 g. This is a practical reference when switching between milligram and gram for recipes, shipping labels, fitness tracking, and luggage limits.
Need gram to milligram instead? Try our Gram to Milligram converter. g → mg
mg to g conversion table
| mg | g |
|---|---|
| 1 | 0.001 |
| 2 | 0.002 |
| 5 | 0.005 |
| 10 | 0.01 |
| 25 | 0.025 |
| 50 | 0.05 |
| 100 | 0.1 |
| 200 | 0.2 |
| 500 | 0.5 |
g to mg conversion table
Or click the swap button in the converter to switch from g to mg.
| g | mg |
|---|---|
| 1 | 1000 |
| 4 | 4000 |
| 8 | 8000 |
| 16 | 16000 |
| 32 | 32000 |
| 64 | 64000 |
| 128 | 128000 |
| 150 | 150000 |
| 200 | 200000 |
Frequently asked questions
How many grams are in 1 milligram? +
One milligram equals 0.001 g. Use the converter above for any value — results are calculated locally with full precision.
How do I convert mg to g? +
Use the formula: g = mg × 0.001. Enter your value in the calculator and the result appears instantly. Click the swap button to convert g back to mg.
How many milligrams are in 1 gram? +
One gram equals 1000 mg. Swap the converter direction to work backwards from g to mg.
What is 10 mg in g? +
10 mg is 0.01 g. See the conversion table on this page for more common values.
When would I convert milligram to gram? +
This conversion is useful for recipes, shipping labels, fitness tracking, and luggage limits. ConvertHub runs entirely in your browser — no data is uploaded to any server.
Is milligram to gram the same as gram to milligram? +
They are inverse operations. This page focuses on mg → g with examples and tables for that direction. For g → mg, use our separate gram to milligram converter page.