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Convert Micromoles per Liter to Millimoles per Liter

1 micromole per liter = 0.001 millimoles per liter. Multiply the number of micromoles per liter by 0.001.

Result
0.001

1 µM = 0.001 mM

Multiply the number of micromoles per liter by 0.001.

Results are rounded for display. Double-check values for critical work.

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Popular molar concentration conversions

Micromoles per Liter to Millimoles per Liter table

Micromoles per LiterMillimoles per Liter
1 µM0.001 mM
2 µM0.002 mM
3 µM0.003 mM
4 µM0.004 mM
5 µM0.005 mM
10 µM0.01 mM
20 µM0.02 mM
25 µM0.025 mM
50 µM0.05 mM
100 µM0.1 mM
500 µM0.5 mM
1000 µM1 mM

About these units

The micromole per liter (µM) is a metric unit of molar concentration, equal to 0.001 moles per cubic meter.

The millimole per liter (mM) is a metric unit of molar concentration, equal to 1 moles per cubic meter.

Going the other way, 1 millimole per liter = 1,000 micromoles per liter. Solution strength expressed as moles of solute per unit volume — the working units of every wet lab.

Frequently asked

How many millimoles per liter are in a micromole per liter?
1 micromole per liter = 0.001 millimoles per liter.
How do you convert micromoles per liter to millimoles per liter?
Multiply the number of micromoles per liter by 0.001.
What is 10 µM in mM?
10 µM = 0.01 mM.

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