Molar mass from mass & amount
Molar mass from mass & amount: use mass, amount. Review the formula, worked example and calculation steps.
Inputs
Use the units shown—
Enter your values and select Calculate.
Formula & explanation
M = mass/amount
Variables & units
- Mass
- g · minimum 0, maximum 1000000000000
- Amount
- mol · minimum 5e-324, maximum 1000000000000
Worked example
Use the displayed example inputs, then follow the substituted values in the solution.
Assumptions
This calculates molar mass from measured mass and amount; it does not parse a molecular formula.
References
Formula version 1.0.0. JavaScript floating-point arithmetic applies. Results display up to 6 decimal places; stored values retain available precision. Use the units shown.
Practice with an example
Use the default input values to find the answer. The reset icon restores those values.
Calculated on your device. Your latest 100 calculations stay in this browser.