Molarity Calculator
Molarity (M) = Mass(g) ÷ (Molar mass(g/mol) × Volume(L))58.44÷(58.44×1)=1.0 M
Free online tool
Molarity Calculator
Enter the mass of solute, its molar mass and the solution volume.
Instant calculation
Molarity Calculator
Enter the mass of solute, its molar mass and the solution volume.
Your result
Calculation
Your numbers stay in this browser. Nothing is uploaded or saved.
Three clear steps
How to use this calculator
- 01
Enter solute mass
Type the mass of solute in grams.
- 02
Enter molar mass
Type the molar mass of the solute in g/mol.
- 03
Enter volume
Type the volume of solution in liters.
The formula
How this calculation works
Moles of solute divided by liters of solution. Used widely in chemistry.
Check the method
Worked examples
Each example follows the same formula used by the calculator.
58.44 g NaCl (58.44 g/mol) in 1 L — molarity?
58.44÷(58.44×1)=1.0 M1.0 M (molar)Common questions
Questions about this calculation
What is the Molarity Calculator?
The Molarity Calculator helps you calculate the molarity of a solution from solute mass, molar mass and volume. Enter your values and select Calculate to get an instant result.
How is the result calculated?
Moles of solute divided by liters of solution. Used widely in chemistry.
Can you show an example?
Example: 58.44 g NaCl (58.44 g/mol) in 1 L — molarity? — 1.0 M (molar).
Is my data saved when I use the Molarity Calculator?
No. All calculations run locally in your browser. Your inputs and results are never uploaded, stored or shared with anyone.
Is the Molarity Calculator free to use?
Yes. The Molarity Calculator is completely free. No account, sign-up or payment is required. It works on mobile, tablet and desktop.
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