# ››Convert gram to milligram

gram
milligrams

How many gram in 1 milligrams? The answer is 0.001.
We assume you are converting between gram and milligram.
You can view more details on each measurement unit:
gram or milligrams
The SI base unit for mass is the kilogram.
1 kilogram is equal to 1000 gram, or 1000000 milligrams.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between grams and milligrams.
Type in your own numbers in the form to convert the units!

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You can do the reverse unit conversion from milligrams to gram, or enter any two units below:

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# ››Definition: Gram

a metric unit of weight equal to one thousandth of a kilogram

# ››Definition: Milligram

The SI prefix "milli" represents a factor of 10-3, or in exponential notation, 1E-3.

So 1 milligram = 10-3 grams-force.

# ››Metric conversions and more

ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!