Convert grams to milligrams

Free online converter from grams to milligrams. Type a value to get an instant result, check the formula and use the quick reference table below.

grams (g)

milligrams (mg)

1 g = 1000 mg

Formula: mg = g × 1000

Conversion table

grams (g)	milligrams (mg)
1	1000
2	2000
5	5000
10	10000
20	20000
50	50000
100	100000
250	250000
500	500000
1000	1000000

Popular values

2 g → mg 5 g → mg 10 g → mg 15 g → mg 20 g → mg 25 g → mg 30 g → mg 40 g → mg 50 g → mg 75 g → mg 100 g → mg 150 g → mg 200 g → mg 250 g → mg 500 g → mg 1000 g → mg

Frequently asked questions

How many mg are in 1 g?

1 g = 1000 mg.

How do I convert grams to milligrams?

Multiply the value in grams by 1000 to get milligrams.

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