Molar Concentration Converter
Molar concentration (molarity) is the amount of substance dissolved per unit volume of solution. The SI coherent unit is the mole per cubic meter, but chemistry and clinical labs work almost exclusively in moles per liter — the molar, M — and its millimolar and micromolar subdivisions.
16 units supported Base unit mole per cubic meter (mol/m³)
About molar concentration conversion
Molar Concentration conversion is commonly needed when laboratory solution preparation, clinical chemistry, and titration. Millimoles per litre and millimolar are the same thing, which is why lab results and reagent labels can look inconsistent.
Popular conversions
Convert Molar to other molar concentration units
1 M expressed in every other molar concentration unit on this site.
- Mole per Cubic Meter mol/m³ 1,000
- Kilomole per Cubic Meter kmol/m³ 1
- Millimole per Cubic Meter mmol/m³ 1,000,000
- Mole per Liter mol/L 1
- Millimole per Liter mmol/L 1,000
- Micromole per Liter µmol/L 1,000,000
- Nanomole per Liter nmol/L 1,000,000,000
- Picomole per Liter pmol/L 1,000,000,000,000
- Mole per Cubic Centimeter mol/cm³ 0.001
- Mole per Milliliter mol/mL 0.001
- Molar M 1
- Millimolar mM 1,000
- Micromolar µM 1,000,000
- Nanomolar nM 1,000,000,000
- Picomolar pM 1,000,000,000,000
- Femtomolar fM 1e+15
Complete list of molar concentration units
All 16 units this converter supports, each stated against the mole per cubic meter (mol/m³).
| Unit | Symbol | System | In moles per cubic meter | Conversions |
|---|---|---|---|---|
| Mole per Cubic Meter | mol/m³ | SI | base unit (mol/m³) | — |
| Kilomole per Cubic Meter | kmol/m³ | SI | 1 kmol/m³ = 1,000 mol/m³ | — |
| Millimole per Cubic Meter | mmol/m³ | SI | 1 mmol/m³ = 0.001 mol/m³ | — |
| Mole per Liter | mol/L | Metric | 1 mol/L = 1,000 mol/m³ | mol/l to mmol/l |
| Millimole per Liter | mmol/L | Metric | 1 mmol/L = 1 mol/m³ | mmol/l to mol/l |
| Micromole per Liter | µmol/L | Metric | 1 µmol/L = 0.001 mol/m³ | — |
| Nanomole per Liter | nmol/L | Metric | 1 nmol/L = 0.000001 mol/m³ | — |
| Picomole per Liter | pmol/L | Metric | 1 pmol/L = 1e-9 mol/m³ | — |
| Mole per Cubic Centimeter | mol/cm³ | Metric | 1 mol/cm³ = 1,000,000 mol/m³ | — |
| Mole per Milliliter | mol/mL | Metric | 1 mol/mL = 1,000,000 mol/m³ | — |
| Molar | M | Metric | 1 M = 1,000 mol/m³ | — |
| Millimolar | mM | Metric | 1 mM = 1 mol/m³ | — |
| Micromolar | µM | Metric | 1 µM = 0.001 mol/m³ | — |
| Nanomolar | nM | Metric | 1 nM = 0.000001 mol/m³ | — |
| Picomolar | pM | Metric | 1 pM = 1e-9 mol/m³ | — |
| Femtomolar | fM | Metric | 1 fM = 1e-12 mol/m³ | — |
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Frequently asked questions
What is the base unit for molar concentration?
Molar Concentration conversions on this site are calculated against the mole per cubic meter (mol/m³).
Which molar concentration units can I convert?
You can convert between 16 units, including mole per cubic meter, kilomole per cubic meter, millimole per cubic meter, mole per liter, and more.
Where is molar concentration conversion useful?
It is commonly needed when laboratory solution preparation, clinical chemistry, and titration.
Does this converter mix measurement systems?
The converter supports SI, Metric units and keeps their exact definitions separate so results stay accurate.
Related categories
Conversion factors are based on internationally agreed unit definitions. See our methodology and sources for details on how these values are verified.