Milligrams to Grams Converter
Grams
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Kilograms
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1 g = 1000 mg · 1 kg = 1,000,000 mg
How to convert milligrams to grams
To convert milligrams to grams, divide by 1000. There are exactly 1000 milligrams in every gram. For example, 500 mg ÷ 1000 = 0.5 grams. Going the other way, multiply grams by 1000 to get milligrams.
To convert milligrams to kilograms, divide by 1,000,000. So 500 mg ÷ 1,000,000 = 0.0005 kg.
1 g = 1000 mg. The prefix “milli” means one thousandth. Milligrams are commonly used in medicine, nutrition labels, and chemistry for very small weights.
Milligrams to grams conversion table
| Milligrams (mg) | Grams (g) | Common reference |
|---|---|---|
| 1 mg | 0.001 g | vitamin pill dose |
| 10 mg | 0.01 g | small medication dose |
| 100 mg | 0.1 g | aspirin dose |
| 250 mg | 0.25 g | antibiotic dose |
| 500 mg | 0.5 g | standard paracetamol |
| 1000 mg | 1 g | 1 gram exactly |
| 5000 mg | 5 g | teaspoon of sugar |
| 10000 mg | 10 g | two teaspoons of sugar |