This is our conversion tool for converting grams to milligrams.
To use the tool, simply enter a number in any of the inputs and the converted value will automatically appear in the opposite box.

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Converting Grams (g) to Milligrams (mg) is simple. Why is it simple? Because it only requires one basic operation: multiplication. The same is true for many types of unit conversion (there are some expections, such as temperature). To convert Grams (g) to Milligrams (mg), you just need to know that 1g is equal to mg. With that knowledge, you can solve any other similar conversion problem by multiplying the number of Grams (g) by . For example, 4g multiplied by is equal to mg.

We define the "best" unit to convert a number as the unit that is the lowest without going lower than 1. For 1 grams, the best unit to convert to is .

1 g = mg

5 g = mg

10 g = mg

15 g = mg

25 g = mg

100 g = mg

1000 g = mg

1 mg = g

5 mg = g

10 mg = g

15 mg = g

25 mg = g

100 mg = g

1000 mg = g