# ››Convert milligram to zeptogram

 mg zeptogram

 Did you mean to convert megagram milligram to zeptogram

How many mg in 1 zeptogram? The answer is 1.0E-18.
We assume you are converting between milligram and zeptogram.
You can view more details on each measurement unit:
mg or zeptogram
The SI base unit for mass is the kilogram.
1 kilogram is equal to 1000000 mg, or 1.0E+24 zeptogram.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between milligrams and zeptograms.
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# ››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.

# ››Definition: Zeptogram

The SI prefix "zepto" represents a factor of 10-21, or in exponential notation, 1E-21.

So 1 zeptogram = 10-21 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!