Experimental data & uncertainty · SL/HL
Biology Dilution Calculator
Choose the unknown. Concentration units must match each other, and volume units must match each other.
Your values
Start with the example or enter your own values. Use a dot for decimals and e for scientific notation.
Calculated locally. No account or input upload.
Result & working
ExampleThe calculator is loading. The worked example is also shown below.
Step-by-step working
The formula
C₁V₁ = C₂V₂
| Symbol | Meaning |
|---|---|
| C | Concentration. |
| V | Solution volume. |
When to use this calculator
Useful for preparing biological solutions, standards and concentration series when the solute amount is conserved.
Worked example
The page opens with these example values. The result below is pre-generated for reference.
- V₁ = C₂V₂/C₁ = 0.1×100/1 = 10 cm³
10 cm³
Common mistakes
- This equation assumes simple dilution, not chemical reaction or solute loss.