Grams to Milligrams Converter

Convert grams to milligrams with a free calculator

How to Convert Grams to Milligrams

Formula: 1 g = 1,000 mg

Multiply your grams value by 1,000 to get the equivalent in milligrams. The conversion factor 1,000 is based on the internationally accepted definitions of both units.

Grams to Milligrams Reference Table

Grams (g)Milligrams (mg)
1 g1,000 mg
5 g5,000 mg
10 g10,000 mg
25 g25,000 mg
50 g50,000 mg
100 g100,000 mg
500 g500,000 mg
1000 g1,000,000 mg

Related Conversions

Milligrams to Grams All Unit Conversions

Frequently Asked Questions

How do I convert Grams to Milligrams? +
Multiply the grams value by the conversion factor. 1 g = 1,000 mg.
What is 1 g in milligrams? +
1 g equals 1,000 mg.
Can I convert milligrams back to grams? +
Yes. Use our Milligrams to Grams converter, or divide the milligrams value by the conversion factor.