What is the base SI unit for concentration - molar?

The primary reference unit for concentration - molar in this converter is the Mole per Cubic Meter (mol/m³). All 5 supported concentration - molar units are anchored to this standard.

Are these concentration - molar conversion factors verified?

Yes, all concentration - molar conversion constants on UnitConvertersGo are verified against NIST Special Publication 811 and ISO/IEC 80000 international metrology standards.

Concentration - Molar Converter

Enter a value below to convert between metric, imperial, and standard concentration - molar units.

Convert Concentration - Molar

Enter a value and select the units to convert between moles per cubic meter, moles per liter (m), and millimoles per liter (mmol/l).

Instant conversion

Value

From

Result

0.01 mol/L

10 mol/m³ = 0.01 mol/L

10 mol/m³ = 0.01 mol/L = 10 mmol/LGet Widget

You can change the units using the dropdowns above or click on a unit button.

Suggested Conversions

Common Concentration - Molar Reference Points

Here are some common concentration - molar values in Mole per Cubic Meter (mol/m³), Mole per Liter (Molar, M) (mol/L), and Millimole per Liter (mM) (mmol/L). Click any preset value or arrow to load it into the converter.

Description	Mole per Cubic Meter (mol/m³)	Mole per Liter (Molar, M) (mol/L)	Millimole per Liter (mM) (mmol/L)
1 mole per cubic meter unit	1	0.001	1
5 moles per cubic meter	5	0.005	5
10 moles per cubic meter benchmark	10	0.01	10
25 moles per cubic meter	25	0.025	25
50 moles per cubic meter	50	0.05	50
100 moles per cubic meter reference	100	0.1	100

Concentration - Molar Conversion Formulas

Use the following formulas to convert between moles per cubic meter, moles per liter (m), and millimoles per liter (mmol/l).

Moles per Cubic Meter to Moles per Liter (M)

mol/L = mol/m³ × 0.001

Moles per Liter (M) to Moles per Cubic Meter

mol/m³ = mol/L × 1,000

Moles per Cubic Meter to Millimoles per Liter (mmol/L)

mmol/L = mol/m³ × 1

Example: Convert 10 Moles per Cubic Meter (mol/m³) to Moles per Liter (M) (mol/L)

1 mol/m³ = 0.001 mol/L

10 mol/m³ × 0.001 = 0.01 mol/L

All concentration - molar conversions are anchored to the international SI base unit (Mole per Cubic Meter) for full scientific and engineering accuracy.

More Mole per Cubic Meter & Mole per Liter Conversions

Convert from Moles per Cubic Meter

Convert to Moles per Liter

Frequently Asked Questions

1 mole per cubic meter (mol/m³) equals 0.001 moles per liter (m) (mol/L). Multiply your mole per cubic meter value by 0.001 or enter it in the Concentration - Molar Converter above for instant calculation.

Concentration - Molar Converter

Quick Info

Mole per Cubic Meter (mol/m³) is a primary concentration - molar unit used globally across science, commerce, and daily measurement.
Mole per Liter (Molar, M) (mol/L) is widely used alongside mol/m³ for practical concentration - molar specifications and conversions.
Mole per Cubic Meter (mol/m³) serves as the standardized reference base unit anchoring all 5 units in this category.
Verified accuracy: All conversion factors follow official NIST SP 811 and ISO/IEC 80000 metrology constants.

Concentration - Molar Units Comparison

Mole per Cubic Meter (mol/m³)

Coherent SI unit of molar concentration.

Mole per Liter (Molar, M) (mol/L)

Standard chemistry molarity unit (1 M = 1 mol/L = 1,000 mol/m³).

Millimole per Liter (mM) (mmol/L)

Clinical blood chemistry unit (1 mmol/L = 1 mol/m³).

References

[1]NIST · NIST HB 133 / SP 811
Source
[2]BIPM · BIPM SI-9
Source
[3]NIST SP 811 · NIST SP 811 App. B.9
Source

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All Concentration - Molar Conversion Calculators (6)

Select any dedicated concentration - molar pair below for worked examples and printable tables

Moles per Cubic Meter to Moles per Liter (M) (mol/m³ to mol/L)Moles per Liter (M) to Moles per Cubic Meter (mol/L to mol/m³)Moles per Cubic Meter to Millimoles per Liter (mmol/L) (mol/m³ to mmol/L)Millimoles per Liter (mmol/L) to Moles per Cubic Meter (mmol/L to mol/m³)Moles per Cubic Meter to Micromoles per Liter (µmol/L) (mol/m³ to µmol/L)Micromoles per Liter (µmol/L) to Moles per Cubic Meter (µmol/L to mol/m³)

Category Conversion Matrix

Simultaneous comparison of 5 units in this category

Mole per Cubic Meter (mol/m³)

Mole per Liter (Molar, M) (mol/L)

0.001

Millimole per Liter (mM) (mmol/L)

Micromole per Liter (µM) (µmol/L)

1,000

Kilomole per Cubic Meter (kmol/m³)

0.001

Concentration - Molar Unit Definitions & Symbols

Mole per Cubic Meter (mol/m³)

Coherent SI unit of molar concentration.

Mole per Liter (Molar, M) (mol/L)

METRIC

Standard chemistry molarity unit (1 M = 1 mol/L = 1,000 mol/m³).

Millimole per Liter (mM) (mmol/L)

METRIC

Clinical blood chemistry unit (1 mmol/L = 1 mol/m³).

Micromole per Liter (µM) (µmol/L)

METRIC

Equal to 10⁻⁶ mol/L.

Kilomole per Cubic Meter (kmol/m³)

METRIC

Equal to 1 mol/L (1,000 mol/m³).

References

NIST · BIPM · ISO

[1]
NIST (NIST HB 133 / SP 811)·Checking the Net Contents of Packaged Goods, Handbook 133 - 2019 Edition & NIST SP 811
NIST HB 133 Standard
[2]
BIPM (BIPM SI-9)·The International System of Units (SI Brochure, 9th Edition)
BIPM SI Brochure
[3]
NIST SP 811 (NIST SP 811 App. B.9)·NIST Guide to the SI, Appendix B.9: Factors for Units Listed by Kind of Quantity or Field of Science
NIST SP 811 Appendix B.9

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Concentration - Molar

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