OneFreePlace
FREE ONLINE TOOL

Free Dilution
Calculator

Advanced free dilution calculator with C1V1=C2V2 solving, existing-diluent correction, serial dilution planning, pipetting feasibility checks, unit conversion, and lab-ready recipes.

Open this tool in its own window ↗

FreeUse this tool without paying.No sign upStart with the tool right away.Clear stepsRead the tool’s own guidance.

About Free Dilution Calculator

Plan a final-volume dilution, correct the common “add stock to existing diluent” problem, build exact serial dilutions, or solve any missing term in C₁V₁ = C₂V₂ — with unit conversion and pipetting checks built in.

Workspace options

  • Concentration type
  • Minimum comfortable transfer (µL)
  • Stock concentration (C₁)
  • Target concentration (C₂)
  • Requested final volume (V₂)
  • Optional overage (%)

Available actions

  • ☼ / ◐
  • Final-volume dilution
  • Add to existing diluent
  • Serial dilution
  • Solve C₁V₁=C₂V₂
  • Calculate dilution