G to Milligrams Converter
Convert grams to milligrams instantly. Free online calculator.
Quick reference:
1 g = 1000 mg
Tip: You can swap the direction to convert mg → g.
About Grams and Milligrams
Grams (g) is a unit of length in the metric system. It is commonly used for everyday measurements such as body height, fabric, furniture, and small distances.
Milligrams (mg) is a unit of length in the imperial/US customary system. It is widely used in the United States and in many industries (construction, screens, tools) where inches are standard.
Conversion formulas
- 1 g = 1000 mg
- 1 mg = 0.001 g
Tip: You can swap the direction if you want to convert mg → g.