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Milligrams to Grams Converter

Convert milligrams (mg) to grams (g) instantly — type a value below.

1 milligram (mg) = 0.001 grams (g)
1 gram (g) = 1,000 milligrams (mg)
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How to convert milligrams to grams

To convert milligrams to grams, use this formula:

g = mg × 0.001 (or divide by 1,000)

Examples

Milligrams to Grams conversion chart

Milligrams (mg)Grams (g)
0.1 mg1 × 10^-4 g
0.25 mg0.00025 g
0.5 mg0.0005 g
1 mg0.001 g
2 mg0.002 g
3 mg0.003 g
4 mg0.004 g
5 mg0.005 g
6 mg0.006 g
7 mg0.007 g
8 mg0.008 g
9 mg0.009 g
10 mg0.01 g
12 mg0.012 g
15 mg0.015 g
20 mg0.02 g
25 mg0.025 g
30 mg0.03 g
40 mg0.04 g
50 mg0.05 g
60 mg0.06 g
70 mg0.07 g
75 mg0.075 g
80 mg0.08 g
90 mg0.09 g
100 mg0.1 g
150 mg0.15 g
200 mg0.2 g
250 mg0.25 g
500 mg0.5 g
1,000 mg1 g

About the units

Milligram (mg)

A milligram is one thousandth of a gram. It is used for medicine doses, vitamins and nutrition labels.

Gram (g)

A gram is one thousandth of a kilogram. It is the standard unit for food, cooking ingredients and small objects in metric countries.

Frequently asked questions

How do I convert milligrams to grams?
Multiply the number of milligrams by 0.001. For example, 5 mg = 0.005 g.
How many grams are in one milligram?
One milligram equals 0.001 grams.
What is 12 mg in grams?
12 milligrams equals 0.012 grams.
How do I convert grams back to milligrams?
Use the reverse Grams to Milligrams converter: multiply grams by 1,000.

Need other units? Use the full weight converter.