Mass, Moles & Particles Calculator

Convert between mass, moles and number of particles using molar mass and Avogadro's number.

How to use the Mass, Moles & Particles Calculator

Enter or select: Formula (or leave blank and enter molar mass).
Fill in what you know of: Molar mass (if no formula), Mass, Amount, Particles — leave the unknown empty.
The results (Molar mass, Mass, Amount, Particles) are calculated instantly as you type.
Use “Copy link” to share the calculation with the same input values.