Chemistry
Mole Calculator
Convert among mass, moles, and particle count using molar mass.
Free to use — no sign-up or login.
Primary result
Particles (when applicable)
Amortization schedule
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This free Mole Calculator covers Convert among mass, moles, and particle count using molar mass.
Enter the Mole Calculator fields, then read the output. Chemistry calculators on this site keep the formula visible beside the form, with no account required.
Using the Mole Calculator
Convert among mass, moles, and particle count using molar mass. Typical inputs are Conversion, Mass (g), Molar mass (g/mol) and Moles (mol). How it works beside the form states the identity the Mole Calculator applies.
FAQ
How do I use the Mole Calculator?
Open the Mole Calculator, fill Conversion, Mass (g), Molar mass (g/mol) and Moles (mol), and read the result. moles = mass / molar mass; particles = moles × N_A.
What formula does the Mole Calculator use?
The Mole Calculator uses the identity in How it works. In words: moles = mass / molar mass; particles = moles × N_A.
Sources
Assumptions and limitations
Chemistry calculators are for study and illustration, not laboratory procedure or safety guidance. Confirm units, significant figures, and protocols from primary references before any practical work.