Solution Dilution Calculator
Solve a dilution with C1V1=C2V2.
Result
How to use
- Enter your values in the fields above.
- Press Calculate to see your result instantly.
- Use the Share button to copy a link to your result.
About this calculator
This calculator solves the dilution equation C1V1 = C2V2 (initial concentration × initial volume equals final concentration × final volume) for whichever variable is unknown — most often the final volume or the amount of solvent (water, buffer, etc.) that needs to be added to bring a stock solution down to a target working concentration.
Lab technicians preparing a reagent from a concentrated stock solution, students in a chemistry or biology lab diluting a sample before an experiment, and anyone mixing a concentrate-based cleaning or gardening solution to a specified strength use this same equation, since it holds regardless of the units used as long as concentration and volume units stay consistent on both sides.
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