Molarity Calculator
Calculate the Molarity (M) of a solution. Molarity is defined as the number of moles of solute per liter of solution.
grams (g)
g/mol (e.g., NaCl ≈ 58.44)
Liters (L)
Result
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M (Molar)
Molarity Formula
Molarity (M) is the concentration of a solution expressed as the number of moles of solute per liter of solution.
$$ M = \frac{\text{moles solute}}{\text{Liters solution}} $$
Since moles = mass / molar mass, the full formula is:
$$ M = \frac{\text{mass (g)}}{\text{molar mass (g/mol)} \times \text{Volume (L)}} $$