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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

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Chemistry

Charles's Law Calculator

Determine the final volume of a gas after a temperature change using Charles's Law. Applies whenever pressure is constant and a gas is heated or cooled in a flexible container.

Initial volume (L)

Initial temperature (K)

Final temperature (K)

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Key differences

	Beer-Lambert Law Calculator	Charles's Law Calculator
Category	Chemistry	Chemistry
Inputs required	4	3
Result	Concentration (M)	Final Volume (L)
What it does	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.	Determine the final volume of a gas after a temperature change using Charles's Law. Applies whenever pressure is constant and a gas is heated or cooled in a flexible container.