Molarity Calculator

Find solution concentration in mol/L. Free, private, and runs entirely in your browser.

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Enter values and press Calculate to see the result here.

How this is calculated

Moles equal mass divided by molar mass; molarity is moles per liter of solution.

M = (mass ÷ molar mass) ÷ volume

Solvent or solution volume? Use the final solution volume.

Example? 58.44 g NaCl in 1 L is 1 M.