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Molar Concentration converter

Molarity and its sub-multiples, plus the m³-based forms used in engineering rather than the lab.

9 units, referenced to the mole per cubic meter

Converter

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Decimals, fractions such as 3/4, and scientific notation such as 1.2e3 all work.

Quick pairs

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One mole per liter (molar) in every molar concentration unit

8 rows
UnitSymbol1 M equals
Mole per cubic metermol/m³1,000
Millimole per litermM1,000
Micromole per literµM1,000,000
Nanomole per liternM1,000,000,000
Picomole per literpM1e12
Mole per cubic centimetermol/cm³0.001
Kilomole per cubic meterkmol/m³1
Millimole per cubic metermmol/m³1,000,000

How the mole per liter (molar) to millimole per liter conversion works

Multiply by 1,000 to go from mole per liter (molar) to millimole per liter:

mM = M × 1,000

Going the other way, multiply by 0.001, which is the same as dividing by 1,000.

Questions

How many millimole per liter are in one mole per liter (molar)?

One mole per liter (molar) equals 1,000 millimole per liter.

Which units does this molar concentration converter cover?

9 units in total, all referenced to the mole per cubic meter. They include mole per cubic meter, mole per liter (molar), millimole per liter, micromole per liter, nanomole per liter, picomole per liter and more. Pick any pair from the two dropdown lists.

How precise are the results?

Every conversion is computed in your browser at double precision from the factors listed on this page, which follow the SI definitions and the exact international agreements for imperial and US customary units. Use the Decimals control to round the display without changing the underlying value.

Does anything I type leave my device?

No. The converter is plain JavaScript running locally, with no server round-trip, and the page keeps working offline once loaded.