Molarity Calculator

Calculate solution molarity (C = n/V), convert mass to moles, and solve dilution problems using C₁V₁ = C₂V₂.

Mode

Molarity (C) = moles of solute (n) / volume of solution (V)

Molarity
0.5 mol/L (M)
500 mmol/L = 500 mM

Results

QuantityValue
Moles (n)0.5 mol
Volume (V)1 Liters (L)
Molarity (C)0.5 M
Millimolar (mM)500 mM

Key Formulas

FormulaExpression
MolarityC = n / V
Molesn = mass / MW
DilutionC₁V₁ = C₂V₂
AvogadroN = n × 6.022×10²³