Molarity Calculator
Solution concentration from solute mass, molar mass and volume.
Inputs
Formula
- moles = mass / molar mass
- M = moles / volume (L)
Molarity is moles of solute per litre of solution — the standard lab concentration unit.
Step-by-step calculation
- 1
Moles
58.44 / 58.44
1 mol
- 2
Molarity
1 / 1
1 mol/L
Frequently asked questions
What does the Molarity Calculator do?
Solution concentration from solute mass, molar mass and volume. The Molarity Calculator on OneCalcApp returns the result instantly as you type, together with the formula and the substituted values.
How do I use the Molarity Calculator?
Enter your values in the input fields, choose the relevant units or options, and the Molarity Calculator recalculates automatically. You can copy, print or export the result.
Is the Molarity Calculator free to use?
Yes. The Molarity Calculator is completely free, needs no sign-up and has no usage limit on OneCalcApp.
How accurate is the Molarity Calculator?
It uses the standard formula moles = mass / molar mass and full double-precision arithmetic, so results match a manual calculation to the displayed number of digits.
Does the Molarity Calculator work on mobile and offline?
Yes. The Molarity Calculator runs entirely in your browser on phones, tablets and desktops, and your inputs never leave your device.
Where can I find related tools?
OneCalcApp hosts 300+ calculators and converters, including the full Math collection. Related tools are linked at the bottom of every page.
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