Science & Environment
Beer-Lambert Law Absorbance Calculator
Calculate absorbance or concentration of a solution using the Beer-Lambert law for spectroscopy.
Your inputs
Change any value to update the result instantly.
Absorbance
0.5
Transmittance
31.623 %
Path length
1 cm
Concentration
0.0001 mol/L
Formula and working
A = ε × l × c
- 1
Collect the inputs
Molar absorptivity (ε) = 5,000 L/(mol·cm); Path length (l) = 1 cm; Concentration (c) = 0.0001 mol/L
- 2
Apply the formula
A = ε × l × c
- 3
Result
Absorbance = 0.5
Frequently asked questions
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
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