Dilution Calculator
Calculate the required volumes for diluting a stock solution to a desired concentration. Enter any three values to compute the fourth using the dilution formula C1V1 = C2V2.
Published by:
isCalculator Editorial Team
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How to use this tool?
How to Use the Dilution Calculator
This calculator solves the dilution equation C₁V₁ = C₂V₂. Enter any three values and leave the fourth blank to calculate it.
- Step 1: Fill in exactly three of the four fields: Initial Concentration (C₁), Initial Volume (V₁), Final Concentration (C₂), or Final Volume (V₂).
- Step 2: Leave the field you want to calculate empty.
- Step 3: Click the Calculate button.
- Step 4: The result appears below, showing the missing value and the formula used.
Important: All values must be positive numbers. Units are not required—just ensure consistency (e.g., all in mL or all in M). If you fill all four fields or leave more than one empty, the calculator will prompt you to correct it.
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Frequently Asked Questions
The dilution formula is C1V1 = C2V2, where C1 is the initial concentration, V1 is the initial volume, C2 is the final concentration, and V2 is the final volume.
You need to enter exactly three values. Leave the field you want to calculate empty.
Yes, as long as the units are consistent (e.g., all concentrations in the same unit, all volumes in the same unit).