basic

Serial Dilution Calculator

Final concentration after N serial 1:r dilutions.

Compute the final concentration after N serial dilutions at a 1-in-R dilution factor (e.g., five 1:10 dilutions). Reports the dilution factor at each step and the final fold-dilution.

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

Inputs

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_final = C_initial / r^n; total fold-dilution = r^n.

In depth

Compute the final concentration after N serial dilutions at a 1-in-R dilution factor (e.g., five 1:10 dilutions). Reports the dilution factor at each step and the final fold-dilution.