basic

Dilution by Evaporation Calculator

C_f = C_i · V_i / V_f after solvent loss.

Compute the final concentration of a non-volatile solute after a known fraction of solvent has evaporated, using mass conservation: C_f = C_i · V_i / V_f. Reports the % concentration increase.

Dr. Helena Ortiz By Dr. Helena Ortiz
Published Last reviewed 1 min read

Inputs

mol/L
mL
mL

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

C_f = C_i · V_i / V_f

In depth

Compute the final concentration of a non-volatile solute after a known fraction of solvent has evaporated, using mass conservation: C_f = C_i · V_i / V_f. Reports the % concentration increase.