Convert molar concentration and molarity units including M, mM, uM, nM and mol/m³ for chemistry and lab calculations.
Use this molarity converter to convert molar concentration units instantly — M to mM, mM to µM, µM to nM, or mol/m³ to M. Perfect for chemistry labs, buffer preparation, assays, standards, and analytical calculations.
Most Common Conversion Factors
| M | mM | µM | nM | |
|---|---|---|---|---|
| 1 M | 1 | 1000 | 1 x 106 | 1 x 109 |
| 1 mM | 0.001 | 1 | 1000 | 1 x 106 |
| 1 µM | 0.000001 | 0.001 | 1 | 1000 |
| 1 nM | 1 x 10-9 | 1 x 10-6 | 0.001 | 1 |
Molar Concentration Converter FAQ
What is a molar concentration converter?
A molar concentration converter converts molarity units such as M, mM, µM, nM, and mol/m³. It is useful for chemistry labs, buffer preparation, analytical calculations, biochemistry, and solution work.
How do I convert M to mM?
Enter a value, choose M as the source unit, and choose mM as the target unit. Since 1 M = 1000 mM, this is one of the most common molarity conversions in lab work.
How do I convert µM to nM?
Enter the value, select µM as the source unit, and select nM as the target unit. Since 1 µM = 1000 nM, this is common for biochemistry, assays, standards, and low-concentration solutions.
What is the difference between M, mM, µM, nM, and mol/m³?M means molar concentration, or moles per liter. mM, µM, and nM are smaller molarity units, while mol/m³ expresses amount of substance per cubic meter.
Is molarity the same as mass concentration?
No. Molar concentration measures amount of substance per volume, usually in mol/L or M. Mass concentration measures mass per volume, such as mg/L or g/L. Converting between them requires the substance molar mass.
When should I use a molar concentration converter?
Use a molar concentration converter when preparing chemical solutions, diluting stock solutions, working with buffers, running assays, reading lab protocols, or converting concentration values between molarity units.
Can I use this converter for chemistry labs and buffer preparation?
Yes. This molar concentration converter is useful for chemistry labs, biochemistry, buffer preparation, analytical standards, solution dilution, reagent preparation, and concentration calculations.
