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Mole to Mass Conversion Calculator

m = n · M, mass from moles and molar mass.

Convert a number of moles of a substance into a mass in grams using its molar mass: m = n · M. Reports the mass in grams, milligrams, and kilograms.

Dr. Helena Ortiz By Dr. Helena Ortiz
Published Last reviewed 1 min read

Inputs

mol
g/mol

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

m = n · M

In depth

Convert a number of moles of a substance into a mass in grams using its molar mass: m = n · M. Reports the mass in grams, milligrams, and kilograms.