Convert Milligram to Gram (mg to g)

1 mg = 0.001 g

How to convert milligrams to grams

To convert milligrams to grams, divide milligrams by 1,000

To convert grams to milligrams, multiply grams by 1,000

Common milligram to gram examples

Milligram (mg) Gram (g)
1 mg 0.001 g
10 mg 0.01 g
50 mg 0.05 g
100 mg 0.1 g
250 mg 0.25 g
500 mg 0.5 g
1,000 mg 1 g
10,000 mg 10 g
100,000 mg 100 g
1,000,000 mg 1,000 g

Frequently asked questions

How many grams are in 100 milligrams?

100 mg equals about 0.1 g.

What is the milligrams to grams formula?

Use grams = milligrams × 0.001. For reverse conversion, milligrams = grams × 1,000.

Can I convert grams to milligrams too?

Yes. The calculator supports two-way conversion. Edit either field and the other updates instantly.

Is this conversion exact?

The converter uses fixed unit factors. Display values are rounded for readability.