Molar Mass Calculator
Grams per mole and mole conversions.
Enter your values
ⓘ Live results
Results
- Moles
- 0.4278
- Particles
- 2.5762e+23
- Mass per mole
- 58.44 g/mol
- Mass for 1 mole
- 58.44 g
Quick answer
Molar mass converts between the mass of a substance and the number of moles.
moles = mass ÷ molar mass
How to use the Molar Mass Calculator
- 1Enter the mass of your sample.
- 2Enter the compound's molar mass.
- 3Read moles and particle count.
Worked example
Using the values the calculator loads with:
Inputs
- Mass25 g
- Molar mass58.44 g/mol
Results
- Moles0.4278
- Particles2.5762e+23
- Mass per mole58.44 g/mol
- Mass for 1 mole58.44 g
Frequently asked questions
What is the molar mass of NaCl?
58.44 g/mol.
What is Avogadro's number?
6.022 × 10²³ particles per mole.
About this calculator
- Built and reviewed by James Whitfield · How we build and test calculators
- Report an error
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.