Molarity Calculator
Calculate molarity, moles of solute or solution volume. The result updates as you type, with the working underneath so you can check it.
Your details
Result
Molarity
0.25 mol/L
Good to know: M = n ÷ V
Please note: For study and planning. Check calculations independently before using results with chemicals, electricity, pressure or machinery, and follow safety data sheets, manufacturer instructions and local regulations.
About this tool
Formula
M = n ÷ V
Questions people ask
What is molarity?
Molarity is moles of solute per litre of solution (mol/L). Note it is per litre of the final solution, not per litre of solvent added.
Related tools
- Molar Mass CalculatorFind the molar mass of any compound from its formula and see the mass of each element.
- Moles CalculatorConvert between grams and moles, with particle count from Avogadro's constant.
- Dilution Calculator (C1V1 = C2V2)Work out how much stock solution and solvent you need to reach a target concentration.
- PPM CalculatorConvert between parts per million, mg/L and percent.
How we calculate this
We use the standard published formula or definition for this calculation, and we show the working so you can check it.
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