Tool

Concentration & yield

Convert an OD₂₆₀ reading to a concentration (mM) using your sample's extinction coefficient and dilution factor.

OD₂₆₀ (final reading)Extinction coefficient (M⁻¹·cm⁻¹)

Sample volume taken (µL)Dilution volume (µL)

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Manual dilution factor

Concentration

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Enter the extinction coefficient to compute the concentration.