How many milligrams are in a gram?
There are 1,000 milligrams in 1 gram.
Detailed answer
The milligram is one thousandth of a gram. Therefore 1 g = 1,000 mg. To convert grams to milligrams, multiply by 1,000. To convert milligrams to grams, divide by 1,000.
Relationship context
Milligrams and grams are both metric (SI) mass units. Milligrams are typical for medication doses and very small masses; grams are common in kitchens and labs.
Quick conversion table
| Gram (g) | Milligram (mg) |
|---|---|
| 0.1 | 100 |
| 1 | 1,000 |
| 2 | 2,000 |
| 3 | 3,000 |
| 4 | 4,000 |
| 5 | 5,000 |
| 6 | 6,000 |
| 7 | 7,000 |
| 8 | 8,000 |
| 9 | 9,000 |
| Gram (g) | Milligram (mg) |
|---|---|
| 10 | 10,000 |
| 20 | 20,000 |
| 30 | 30,000 |
| 40 | 40,000 |
| 50 | 50,000 |
| 60 | 60,000 |
| 70 | 70,000 |
| 80 | 80,000 |
| 90 | 90,000 |
| 100 | 100,000 |
More Grams converters
Dedicated pages from Gram to every other common weight unit (kilogram, gram, milligram, pound, ounce, metric ton, stone, US short ton).
- g to kg (Gram to Kilogram)
- g to mg (Gram to Milligram)
- g to ug (Gram to Microgram)
- g to lb (Gram to Pound)
- g to oz (Gram to Ounce)
- g to grain (Gram to Grain)
- g to carat (Gram to Carat)
- g to stone (Gram to Stone)
- g to uk-hundredweight (Gram to Hundredweight (UK))
- g to us-hundredweight (Gram to Hundredweight (US))
- g to metric-ton (Gram to Metric Ton)
- g to long-ton (Gram to Long Ton (UK))
- g to us-ton (Gram to US Ton (Short))