Solution Concentration Converter (Molarity units)
Convert concentration units instantly: molar (M), millimolar (mM), micromolar (µM), nanomolar (nM), picomolar (pM), mole per cubic metre and more. Precise factors, all units shown at once.
| Unit | Value |
|---|---|
| molar (M) (mol/L) | |
| millimolar (mM) (mmol/L) | |
| micromolar (µM) (µmol/L) | |
| nanomolar (nM) (nmol/L) | |
| picomolar (pM) (pmol/L) | |
| mole per cubic metre (mol/m³) |
Tip: double-click a row to convert from that unit. Click a value to copy it. Expressions like 3*12 are accepted.
How to use the Solution Concentration Converter
- Type the value you want to convert (expressions are allowed).
- Choose the unit you are converting from.
- Read the result in every other unit in the table — it updates as you type.
About this tool
Enter a value and choose its unit; the concentration is converted to all 6 supported units simultaneously. Conversions use exact definitions where they exist (e.g. 1 inch = 25.4 mm, 1 lb = 0.453 592 37 kg).
Common conversions
| 1 mol/L = 1000 mmol/L | 1 mmol/L = 0.001 mol/L |
| 1 mol/L = 1 000 000 µmol/L | 1 µmol/L = 0.000001 mol/L |
| 1 mol/L = 1 000 000 000 nmol/L | 1 nmol/L = 1 × 10⁻⁹ mol/L |
| 1 mol/L = 1 × 10¹² pmol/L | 1 pmol/L = 1 × 10⁻¹² mol/L |
| 1 mol/L = 1000 mol/m³ | 1 mol/m³ = 0.001 mol/L |