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Beer-Lambert Law Calculator

Find the concentration of a solution from its absorbance, molar extinction coefficient, and path length using Beer-Lambert law, with optional temperature correction. Widely used in spectrophotometry and analytical chemistry labs.

Absorbance (AU)

Molar Extinction Coefficient (L/mol·cm)

Path Length (cm)

Temperature (°C)

Solvent

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Chemistry

Beer-Lambert Law Calculator

Determine the concentration of a solution from its measured absorbance, extinction coefficient, and path length using Beer-Lambert law. Essential for spectrophotometry and quantitative analytical chemistry.

Absorbance (A) (AU)

Molar Extinction Coefficient (ε) (M⁻¹cm⁻¹)

Path Length (l) (cm)

Dilution Factor

Fill in the required fields to see your result.

Key differences

	Beer-Lambert Law Calculator	Beer-Lambert Law Calculator
Category	Chemistry	Chemistry
Inputs required	5	4
Result	Concentration (M)	Concentration (M)
What it does	Find the concentration of a solution from its absorbance, molar extinction coefficient, and path length using Beer-Lambert law, with optional temperature correction. Widely used in spectrophotometry and analytical chemistry labs.	Determine the concentration of a solution from its measured absorbance, extinction coefficient, and path length using Beer-Lambert law. Essential for spectrophotometry and quantitative analytical chemistry.