Molarity Calculator

mol
L
Chemistry

Calculate molarity of a chemical solution from moles of solute and volume. Molarity (M) = moles of solute ÷ liters of solution. Uses standard SI and chemistry units (mol, L, M).

Formula

M = n/V
  • Molarity is defined as moles of solute per liter of total solution.
  • Formula: M = n / V (where n = moles, V = liters)
  • Molarity is one of the most common ways to express solution concentration in chemistry.

Example Calculation

Inputs
  • Moles of solute: 1 mol
  • Volume of solution: 2 L

Suppose you enter: Moles (mol) = 1, Volume (L) = 2. The calculator applies the formula (M = n/V) and shows all output values below. Change any input field to immediately see how the result changes.

Frequently asked questions

What is molarity?
Molarity (M) is the number of moles of solute per liter of solution. It's a key measure of solution concentration.
How is molarity calculated?
Molarity = moles of solute ÷ liters of solution (M = n/V).
Why is molarity useful?
Molarity is easy to calculate, works well for most lab applications, and changes with temperature (unlike molality).