basic

Molarity from Mass and Solution Volume Calculator

C = (m / M) / V — solute grams ÷ molar mass ÷ litres.

Compute the molar concentration of a solution directly from the mass of solute (in grams), its molar mass, and the final solution volume (in mL): C = (m / M) / (V_mL / 1000).

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

Inputs

g
g/mol
mL

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

C = (m / M) / V_L

In depth

Compute the molar concentration of a solution directly from the mass of solute (in grams), its molar mass, and the final solution volume (in mL): C = (m / M) / (V_mL / 1000).