Convert milligram (mg) to gram (g).
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Gram to Milligram Converter (g to mg)
Convert gram (g) to milligram (mg).Unit Converter · Mass
Quick answer
1 gram (g) is equal to 1,000 milligrams (mg). 1 milligram (mg) is equal to 0.001 grams (g).
To convert g to mg, multiply the value in grams by 1,000. For example, 10 g = 10,000 mg, and 100 g = 1,00,000 mg.
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Quick reference — gram to milligram
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How to convert grams to milligrams
How many milligrams are in a gram? 1 gram is 1,000 milligrams. This free g to mg converter and gram to milligram calculator gives the answer instantly for any value, and the same conversion is also written as gm to mg.
To convert gram (g) to milligram (mg), multiply the value in grams by 1,000.
mg = g × 1,000
- 1
Take the value in grams
For example, 25 g.
- 2
Multiply by 1,000
25 × 1,000.
- 3
Read the answer in milligrams
25 g = 25,000 mg.
Gram to Milligram conversion table
Common values from 1 to 1,000 grams converted to milligrams.
| Gram (g) | Milligram (mg) |
|---|---|
| 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 |
| Gram (g) | Milligram (mg) |
|---|---|
| 30 g | 30,000 mg |
| 40 g | 40,000 mg |
| 50 g | 50,000 mg |
| 60 g | 60,000 mg |
| 70 g | 70,000 mg |
| 75 g | 75,000 mg |
| 80 g | 80,000 mg |
| 90 g | 90,000 mg |
| 100 g | 1,00,000 mg |
| 250 g | 2,50,000 mg |
| 500 g | 5,00,000 mg |
| 1,000 g | 10,00,000 mg |
About grams and milligrams
Gram (g)
A gram (g) is one thousandth of a kilogram. It is used for food portions, jewelry and small weights.
Milligram (mg)
A milligram (mg) is one thousandth of a gram. It is the common unit for medicine doses and nutrients on food labels.
g to mg: common questions
- How many milligrams are in 1 gram?
- 1 gram (g) is equal to 1,000 milligrams (mg). In short: 1 g = 1,000 mg.
- How do I convert grams to milligrams?
- To convert g to mg, multiply the value in grams by 1,000. For example, 5 g = 5,000 mg.
- How do I convert milligrams to grams?
- To convert mg to g, divide the value in milligrams by 1,000. Or open the Milligram to Gram converter, which does it for you.
- What is 10 g in mg, and what is 100 g?
- 10 g = 10,000 mg, and 100 g = 1,00,000 mg. The table above lists more values from 1 to 1,000.
- Is this g to mg converter accurate?
- Yes. It uses the exact conversion factor and shows results to as many as 8 decimal places, so you can rely on it for study, work and everyday measuring.
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