Moles Calculator
Convert between grams and moles, with particle count from Avogadro's constant. The result updates as you type, with the working underneath so you can check it.
Your details
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Result
Moles
1 mol
- Molar mass
- 58.440 g/mol
- Particles (Avogadro)
- 6.022e23
- Avogadro constant: 6.02214076 × 10²³ per mole (exact since 2019).
Good to know: n = m ÷ M
Please note: For study and planning. Check calculations independently before using results with chemicals, electricity, pressure or machinery, and follow safety data sheets, manufacturer instructions and local regulations.
About this tool
Formula
n = m ÷ M
Questions people ask
How many particles are in a mole?
6.02214076 × 10²³, the Avogadro constant. It is an exact number by definition since 2019.
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How we calculate this
We use the standard published formula or definition for this calculation, and we show the working so you can check it.
Spotted a mistake? Tell us and we'll check it. How we check our calculators