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Convert Moles per Liter to Millimoles per Liter

1 mole per liter (molar) = 1,000 millimoles per liter. Multiply the number of moles per liter by 1000.

Result
1,000

1 M = 1,000 mM

Multiply the number of moles per liter by 1000.

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

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Popular molar concentration conversions

Moles per Liter to Millimoles per Liter table

Moles per LiterMillimoles per Liter
1 M1,000 mM
2 M2,000 mM
3 M3,000 mM
4 M4,000 mM
5 M5,000 mM
10 M10,000 mM
20 M20,000 mM
25 M25,000 mM
50 M50,000 mM
100 M100,000 mM
500 M500,000 mM
1000 M1,000,000 mM

About these units

The mole per liter (molar) (M) is a metric unit of molar concentration, equal to 1,000 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 = 0.001 moles 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 mole per liter (molar)?
1 mole per liter (molar) = 1,000 millimoles per liter.
How do you convert moles per liter to millimoles per liter?
Multiply the number of moles per liter by 1000.
What is 10 M in mM?
10 M = 10,000 mM.

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