Grams to mg Converter
1 gram = 1,000 milligrams. Used in pharmaceutical dosing and analytical chemistry.
Formula:1 g = 1,000 mg
Quick conversion table — Gram to Milligram
0.5 g500 mg
1 g1,000 mg
2 g2,000 mg
5 g5,000 mg
10 g10,000 mg
20 g20,000 mg
50 g50,000 mg
100 g100,000 mg
500 g500,000 mg
1,000 g1,000,000 mg
How to convert g to mg
To convert grams to mg, use the formula: 1 g = 1,000 mg. Simply enter the value you want to convert in the field above and the result appears instantly. You can also type in the result field to reverse the conversion.
All conversions use precise mathematical constants validated against international SI standards (NIST and ISO 80000). Results are accurate to 8 significant figures.
Related conversions