Step-by-step instructions
- Enter or select Mass (g).
- Enter or select Molar mass (g/mol).
- Tap Calculate.
- Review the result shown directly below the calculator.
Moles From Mass Calculator
Calculate moles from mass and molar mass.
How to use the Moles From Mass Calculator
Calculate moles from mass and molar mass.
What the inputs mean
- Mass (g)
- Enter the requested weight or mass using the unit shown or a consistent unit.
- Molar mass (g/mol)
- Enter the requested weight or mass using the unit shown or a consistent unit.
Formula or calculation method
Mass (g) is divided by Molar mass (g/mol). The calculator formats the quotient as the requested result.
Example
For example, entering 100 for Mass (g) and 4 for Molar mass (g/mol) gives a result of 25.
How to understand the result
The result is the rate, ratio, or amount produced by dividing the first quantity by the second.
Tip: Keep all values in compatible units and use values from the same time period when the calculator compares two amounts.