Molar to Micromolar Converter
Convert molar to micromolar. The formula used here is 1 molar = 1000000 micromolar. The formula is µM = M × 1000000; 1 M is 1,000,000 µM.
An amount concentration unit equal to one mole per liter.
An amount concentration unit equal to one millionth of a molar.
Start with your value in molar, then apply the formula below. It stays visible so you can catch rounding mistakes instead of just copying the output.
Use concentration conversions only between compatible amount concentration units. Mass concentration, percent solutions, and molarity need extra chemistry context before they can be compared.
Molar scale conversions are powers of 1,000, so rounding usually comes from the measured concentration rather than the unit factor. This page displays converted values with up to 2 decimal places by default.
| Molar | Micromolar |
|---|---|
| 0.001 M | 1,000 µM |
| 0.01 M | 10,000 µM |
| 0.1 M | 100,000 µM |
| 1 M | 1,000,000 µM |
| 2 M | 2,000,000 µM |
Useful for preparing lab solutions and stock dilutions. Use the same formula with your exact input if the measurement needs to be documented.
Useful for checking assay protocols and concentration labels. Use the same formula with your exact input if the measurement needs to be documented.
Useful for comparing serial dilution and buffer calculations. Use the same formula with your exact input if the measurement needs to be documented.
How do I convert molar to micromolar?
Enter the value in molar and apply µM = M × 1000000. Round the micromolar result after the conversion, not before.
What is 1 molar in micromolar?
1 M equals 1,000,000 µM with the current rounding setting. Keep more decimal places when the result feeds another calculation.
What is 0 M in µM?
0 M is 1,000 µM. It appears in the lookup table so you can compare it with nearby amounts.
Can I convert micromolar back to molar?
Yes. Use the reverse Micromolar to Molar converter if you need to go the other direction.
How accurate is this molar to micromolar conversion?
The calculator runs the formula in your browser and rounds results to 2 decimal places by default. Molar scale conversions are powers of 1,000, so rounding usually comes from the measured concentration rather than the unit factor.