Molarity Calculator
Calculate the molar concentration of a solution.
Result
Results are estimates for general information only and are not professional advice.
Molarity
Molarity is the number of moles of solute per liter of solution (mol/L). It equals mass divided by molar mass, divided by volume. This calculator is a staple of chemistry classes and lab work.
Frequently Asked Questions
What is the Molarity Calculator?
Calculate the molar concentration of a solution. It runs instantly in your browser and is completely free to use.
What do I need to enter to use the Molarity Calculator?
The Molarity Calculator asks for the following values (3): Mass of solute (g), Molar mass (g/mol), Solution volume (L). Fill them in and the result appears immediately — the calculation runs on your own device, so nothing you type is sent to a server.
How accurate is the Molarity Calculator?
The Molarity Calculator uses standard, widely-accepted formulas, so its figures are reliable estimates for everyday planning. They are not a substitute for advice from a qualified professional.
Is the Molarity Calculator free, and do I need an account?
Yes. The Molarity Calculator — and every other calculator on Calculatis — is completely free, with no registration, no download and no limit on how often you use it.