Extinction Coefficient Calculator

Enter the absorbance and molar concentration into the calculator to determine the molar extinction coefficient.

Extinction Coefficient Formula

The following equation can be used to calculate a molar extinction coefficient.

E = A / mc

  • Where E is the extinction coefficient
  • A is the absorbance
  • mc is the molar concentration

FAQ

What is an extinction coefficient?

An extinction coefficient is a measure of a chemicals ability to absorb light at a given wavelength.

What is absorbance?

Similarly, absorbance is also another measure of the substances ability to absorb light.

extinction coefficient calculator

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