The free Solution Concentration Calculator
Work out molarity, molality and other concentration units. Free online, no download, on AZRS.
- Free to use
- No signup
- Nothing to install
- Works in any modern browser
Illustration. Open the tool for the real thing.
See it in action
Sample input: e.g. 5 = 1000; e.g. 500 = 1000; e.g. 40.0 = 1000; 1.0 = 1.0

What is the Solution Concentration Calculator?
Work out molarity, molality and other concentration units.
Work out molarity, molality and other concentration units. Free online, no download, on AZRS.
3 steps to your result
Open the tool and follow along. Nothing to install.
What you get
Shows the concentration units together.
Sits with molar mass, dilution, gas law and pH calculators.
AZRS tools are free to open and use.
It opens in your browser, so there is nothing to download.
How it compares
A plain look at this tool next to the usual alternative.
| This study tool | Desktop software | |
|---|---|---|
| Install | Nothing to install | Usually an app or program to install |
| Account | No signup | Depends on the product |
| Cost | Free to use | Free or paid, depends on the product |
Questions people ask
Is the Solution Concentration Calculator free?
Yes. It is free to open and use on AZRS.
Do I need to install anything?
No. It runs in your browser.
How do I use the Solution Concentration Calculator?
1. Enter solute mass, volume and molar mass. 2. Read all concentration units at once. 3. Change a value to see how the result moves.
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Work out molarity, molality and other concentration units. Free to use.
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