Molarity Calculator (Moles per Litre)
Science ToolsMolarity from mass, molar mass and volume
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All history →Molarity Calculator (Moles per Litre) — at a glance
Mass, molar mass and volume give the molarity.
5.85 g NaCl
58.44 g/mol
1 L
Calculate
0.1 mol/L
How to use it — step by step
Just your input — nothing to install or sign up for.
1
Enter your values
Fill in the boxes. Sample values are already there so you can see how it works.
2
Calculate
Press the button to get your answer instantly.
3
Read the result
The main answer is shown in a large card with extra details below it.
4
Copy it
Use the copy button to save the result anywhere.
Pro tips
Small things that make the result better.
✦Use the Molar Mass Calculator if you do not know the molar mass.
✦Volume is the final volume of the solution, in litres.
Quick facts
Freeno signup, no limit
Instantresult in a moment
Privatenothing is uploaded
Any devicephone, tablet or PC
Frequently Asked Questions
Is my data safe?+
Yes. Everything runs inside your own browser. Your text, files and images are never uploaded to any server.
Is this tool really free?+
Yes — completely free, no signup, no watermark and no usage limit.
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