Mass Percent (%)
Calculate Mass Percent (%) instantly. Free online calculator with the exact formula, a worked example, and metric units. No signup required.
Mass Percent (%)
Substance massg
Solution massg
Mass fraction
10%
More about: Mass Percent (%)
What it calculates
The “Mass Percent (%)” calculator computes Mass fraction in % from 2 parameters: substance mass (g), solution mass (g).
A standard physics formula used in educational and engineering tasks.
Example calculation
With parameters Substance mass = 10 g, Solution mass = 100 g the result is 10 % ((m / M) × 100%).
How to use
- Enter the parameter values — every field above is adjustable with a slider.
- The result and related metrics are calculated automatically as you type.
- Use the additional metrics shown (if any) where needed.
- Copy the result or bookmark the page.