Converters/Weight

Grams to Milligrams Converter

Free online grams to milligrams converter. Multiply grams by 1,000 to get milligrams. 1 g = 1,000 mg.

How it works

Multiply grams by 1,000 to get milligrams. 1 g = 1,000 mg.

Grams to Milligrams Conversion Table

Grams (g)Milligrams (mg)
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
250 g250,000 mg
500 g500,000 mg
1,000 g1,000,000 mg

How the Conversion Works

Multiply grams by 1,000 to get milligrams. 1 g = 1,000 mg.

Going the other way: 1 mg = 0.001 g. Enter a value in either field above and the converter runs the math in both directions instantly.

Frequently Asked Questions