Grams to Moles Calculator Formula

Understand the math behind the grams to moles calculator. Each variable explained with a worked example.

Use the Grams to Moles Calculator

Formulas Used

Moles

moles = grams / molar_mass

Variables

VariableDescriptionDefault
gramsMass(g)36.03
molar_massMolar Mass(g/mol)18.015

How It Works

How to Convert Grams to Moles

Formula

moles = mass (g) / molar mass (g/mol)

Worked Example

Convert 36.03 g of water to moles.

grams = 36.03molar_mass = 18.015
  1. 01moles = 36.03 / 18.015
  2. 02moles = 2.0 mol

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Open Grams to Moles Calculator