Grams to Milligrams
1 g = 1,000 mg. Edit either value to convert instantly.
Conversion formula
mg = g × (0.001) × (1,000,000)1 g = 1,000 mg
gram (g)
One gram equals exactly 0.001 kg.
Source: BIPM SI Brochure, 9th edition — SI prefixes and accepted non-SI units
milligram (mg)
One milligram equals exactly 0.000001 kg.
Source: BIPM SI Brochure, 9th edition — SI prefixes and accepted non-SI units
Conversion table
| g | mg |
|---|---|
| = 1,000 | |
| = 2,000 | |
| = 5,000 | |
| = 10,000 | |
| = 15,000 | |
| = 20,000 | |
| = 25,000 | |
| = 30,000 | |
| = 40,000 | |
| = 45,000 |
| g | mg |
|---|---|
| = 50,000 | |
| = 60,000 | |
| = 70,000 | |
| = 80,000 | |
| = 90,000 | |
| = 100,000 | |
| = 150,000 | |
| = 160,000 | |
| = 170,000 | |
| = 180,000 |
Frequently asked questions
How many milligrams are in 1 gram?
1 g = 1,000 mg. mg = g × (0.001) × (1,000,000)
How do I convert g to mg?
mg = g × (0.001) × (1,000,000)
Is 1 gram bigger than 1 milligram?
1 g = 1,000 mg.
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