Molar Concentration Converter
Molar (M)
Definition: Molarity (M) is defined as the number of moles of solute dissolved in exactly one liter of solution.
History/origin: The concept of molarity was developed as chemists needed a way to express concentration that directly related to the number of particles reacting in a solution.
Current use: It is the most common unit used in chemistry laboratories worldwide for preparing solutions and performing titrations.
Micromolar (µM)
Definition: A micromolar unit is one-millionth of a molar (10⁻⁶ M).
History/origin: Derived from the SI prefix "micro-," this unit became essential for analyzing trace elements and highly potent chemical compounds.
Current use: Commonly used in neuroscience and enzyme kinetics to describe very low concentrations of neurotransmitters and inhibitors.
Molar (M) to Micromolar (µM) Conversion Table
| Molar (M) [molar] | Micromolar (µM) [micromolar] |
|---|---|
| 0.01 molar | 10000 micromolar |
| 0.1 molar | 100000 micromolar |
| 1 molar | 1000000 micromolar |
| 2 molar | 2000000 micromolar |
| 3 molar | 3000000 micromolar |
| 5 molar | 5000000 micromolar |
| 10 molar | 10000000 micromolar |
| 20 molar | 20000000 micromolar |
| 50 molar | 50000000 micromolar |
| 100 molar | 100000000 micromolar |
| 1000 molar | 1000000000 micromolar |
How to Convert Molar (M) to Micromolar (µM)
1 molar = 1000000 micromolar
1 micromolar = 0.000001 molar
Example: convert 15 molar to micromolar:
15 molar = 15 × 1000000 micromolar = 15000000 micromolar
Did You Know?
- Did you know? Molarity is temperature-dependent! Because liquids expand when heated, the volume changes, which means the molarity of a solution actually decreases as the temperature rises.