Molarity & dilution calculator

Molarity (M) is moles of solute per litre of solution. Use the first tab to compute mass / moles / M; the second to dilute a stock solution.

Moles (n)
0
Molarity (M)
0
Concentration (g/L)
0
Volume needed for 1 M
0

Formulas

  • Moles: n = mass / molar mass
  • Molarity: M = n / V
  • Dilution: M₁V₁ = M₂V₂ ⇒ V₁ = M₂V₂ / M₁