# ››Convert micromole to millimole

 umol mmol

How many umol in 1 mmol? The answer is 1000.
We assume you are converting between micromole and millimole.
You can view more details on each measurement unit:
umol or mmol
The SI base unit for amount of substance is the mole.
1 mole is equal to 1000000 umol, or 1000 mmol.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between micromoles and millimoles.
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# ››Definition: Micromole

The SI prefix "micro" represents a factor of 10-6, or in exponential notation, 1E-6.

So 1 micromole = 10-6 moles.

The definition of a mole is as follows:

The mole is the amount of substance of a system which contains as many elementary entities as there are atoms in 0.012 kilogram of carbon 12; its symbol is "mol."

# ››Definition: Millimole

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

So 1 millimole = 10-3 moles.

The definition of a mole is as follows:

The mole is the amount of substance of a system which contains as many elementary entities as there are atoms in 0.012 kilogram of carbon 12; its symbol is "mol."

# ››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!