Mass Percent Calculator

Calculate mass percent (w/w%) of a solution. Find mass percent, solute mass, or solution mass.

What would you like to calculate? *

Mass Percent (%) *

Solute Mass (g) *

Solution Mass (g) *

Solvent Mass (g) *

💡 Mass Percent Formula: Mass % = (Mass of Solute / Mass of Solution) × 100%
Mass of Solution = Mass of Solute + Mass of Solvent

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Result

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Step-by-Step Calculation

Detailed solution process

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Mass %

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w/w%

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Solute

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Solvent

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Solution

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Formula Reference

Mass percent formulas

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Mass Percent Tips

Understanding concentration by mass

🧪 Chemical Disclaimer: Mass percent (w/w%) = (mass of solute / mass of solution) × 100%. Results are for educational purposes. Always use proper lab safety procedures.