Dilution Calculator

Use this free online stock solution and antibody dilution calculator for C1V1, 1:N ratios, or stock-to-target concentrations; molecular weight is required only for cross-unit conversion.

Dilution calculator inputs
Calculator mode
Supports molar to mass/volume and % w/v conversion when molecular weight is provided. The molecular weight field appears automatically when needed.

References

Sources for C1V1 = C2V2, concentration units, and antibody dilution workflows. Calculations and intermediate-dilution suggestions use original Mol Biology Tools code.

  1. Concentration and unit terminology: IUPAC Green Book, abridged fourth edition (2023).
  2. C1V1 = C2V2 dilution logic: OpenStax Chemistry 2e, section 3.3: molarity and dilution.
  3. Molecular-weight checks for molarity-to-mass conversions: PubChem Compound database.
  4. Western blot antibody dilution workflow and practical volume examples: Thermo Fisher Scientific antibody dilution calculator.
  5. Antibody stock-to-final concentration calculation: CiteAb Antibody Dilution Tool.