About the Volume Percent Calculator
Volume percent (v/v) of a solution, used for alcohol and liquid mixtures.
Also known as: v/v percentage, percent by volume, abv calculator, volume fraction.
How to use this calculator
- Enter solve for, total solution volume.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
% v/v = volume of solute ÷ total volume × 100
Worked example
Using the values pre-filled in the calculator above:
- Solve for: Volume percent
- Volume of solute = 50 mL
- Total solution volume = 500 mL
the calculator returns:
- Volume percent: 10%
- Solvent volume: 450 mL
- As a proof (US): 20
- Volume fraction: 0.1