Molar to Millimolar Calculator

Conversion Formula:

\[ \text{mM} = \text{M} \times 1000 \]

Millimolar Concentration (mM):

Unit Converter ▲

Unit Converter ▼

From:	To:

1. What is Molar to Millimolar Conversion?

Molar (M) and millimolar (mM) are units of concentration used in chemistry and biology. The conversion between them is straightforward as 1 M equals 1000 mM. This conversion is essential when working with solutions of different scales.

2. How Does the Calculator Work?

The calculator uses the simple conversion formula:

\[ \text{mM} = \text{M} \times 1000 \]

Where:

\( \text{M} \) — Molar concentration (moles per liter)
\( \text{mM} \) — Millimolar concentration (millimoles per liter)

Explanation: The prefix "milli-" means one thousandth, so there are 1000 millimoles in one mole, and thus 1000 millimolar in one molar.

3. Importance of Concentration Units

Details: Accurate concentration measurements are crucial in preparing solutions, conducting experiments, and interpreting results in chemistry and biological sciences. Millimolar concentrations are often used when working with biological samples where concentrations are typically lower.

4. Using the Calculator

Tips: Enter the molar concentration value in the input field. The calculator will automatically convert it to millimolar. You can enter decimal values for precise calculations.

5. Frequently Asked Questions (FAQ)

Q1: Why convert between molar and millimolar?
A: Different experiments and protocols require different concentration units. Converting between them ensures proper solution preparation and consistency in reporting results.

Q2: How precise is this conversion?
A: The conversion is mathematically exact (1 M = 1000 mM). Precision depends on your input value and measurement accuracy.

Q3: When would I use millimolar instead of molar?
A: Millimolar is commonly used for biological solutions (enzyme concentrations, buffer solutions) where concentrations are typically in the millimolar range.

Q4: Can I convert millimolar back to molar?
A: Yes, simply divide the millimolar value by 1000 to get the molar concentration.

Q5: Are there other similar unit conversions?
A: Yes, similar conversions exist for micromolar (µM = mM × 1000) and nanomolar (nM = µM × 1000).