Science Calculators

Dilution Calculator (C1V1=C2V2)

Enter any three of stock concentration, stock volume, final concentration, and final volume to solve for the fourth.

5.0000

Uses C1V1 = C2V2. Units just need to be consistent (e.g. both concentrations in M, both volumes in mL) — the default example dilutes 5 units of 10M stock into a 50-unit final volume, giving 1M.

How to use this tool

  1. 1Choose which variable to solve for.
  2. 2Enter the other three values.
  3. 3See the calculated result.

Frequently asked questions

Do the units have to be specific?+

No — just consistent. Use the same volume unit for both volumes and the same concentration unit for both concentrations.

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