grams to milligrams

Free online converter — type a value and get the result instantly. No signup, works offline in your browser.

All calculations run locally in your browser — nothing is uploaded.

Conversion formula

1 g = 1000 mg

grams to milligrams conversion table

grams (g)milligrams (mg)
0.1 g100 mg
0.25 g250 mg
0.5 g500 mg
1 g1000 mg
2 g2000 mg
3 g3000 mg
5 g5000 mg
10 g10000 mg
20 g20000 mg
25 g25000 mg
50 g50000 mg
100 g100000 mg
250 g250000 mg
500 g500000 mg
1000 g1.0000e+06 mg
5000 g5.0000e+06 mg
10000 g1.0000e+07 mg

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FAQ

How do I convert grams to milligrams?

Type a value in grams in the converter above — the equivalent in milligrams is calculated instantly. 1 g equals 1000 mg.

What is the formula to convert grams to milligrams?

Multiply the value in grams by 1000 to get the value in milligrams.

How many milligrams are in 1 grams?

There are 1000 milligrams in 1 g.