Marks Calc

grams to milligrams

Convert gram to milligram — instant, free, with the formula shown.

1 g=1000 mg

How to convert gram to milligram

To convert gram to milligram, multiply by 1000:

mg = g × 1000

For example, 10 g × 1000 = 10000 mg.

g to mg conversion table

grams (g)milligrams (mg)
1 g1000 mg
2 g2000 mg
5 g5000 mg
10 g10000 mg
25 g25000 mg
50 g50000 mg
100 g100000 mg
250 g250000 mg
500 g500000 mg
1000 g1000000 mg
Reverse: Milligram to Gram

Other gram conversions

Convert to milligram from another unit

g to mg — frequently asked

How many milligrams are in 1 gram?

1 gram = 1000 milligrams (g × 1000 = mg).

What is the formula to convert gram to milligram?

Multiply your gram value by 1000 to get milligram.

How do I convert 10 grams to milligrams?

10 g = 10000 mg. For 100 g the answer is 100000 mg. Use the calculator on this page for any other value.

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