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Concentration Calculator
Work out mass concentration, molarity and percentage of a solution.
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Molarity
Compare Your Options And Get Clear Answers
Work out mass concentration, molarity and percentage of a solution.
Concentration Estimator
Enter your numbers below for an instant estimate.
0
💡 Tip: Molarity = (mass / molar mass) / volume in litres.
How It Works
Key concepts behind this calculator
1
Enter Values
Fill in each field with your own numbers.
2
Calculate
Results update as you change the inputs.
3
Review
Read the breakdown and the explanation.
4
Adjust
Change values to compare scenarios.
Quick Reference Guide
Concentration Quick Guide
Typical values for reference.
| Mass g | Molar mass | Volume mL | Molarity |
|---|---|---|---|
| 5.85 | 58.44 | 500 | 0.2002 mol/L |
| 10 | 58.44 | 1000 | 0.1711 mol/L |
| 18 | 180.16 | 250 | 0.3996 mol/L |
| 4 | 40 | 100 | 1.0000 mol/L |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Common Questions
Concentration Calculator FAQ
Answers to common questions about this calculator.
Moles of solute per litre of solution.
Divide mass by volume in litres.
No, use the final solution volume.
Check your lab protocol and use calibrated equipment.