Is this tool private?

Yes. All processing happens locally in your browser. No data is uploaded.

What extras does this tool have?

Extras: (1) Core function, (2) Batch mode, (3) Copy results, (4) Download, (5) History, (6) CSV export, (7) Custom options, (8) Validation, (9) Warnings, (10) Stats, (11) Multi-format, (12) Configurable, (13) Preview.

Calculators Runs in your browser

Concentration Calculator

Calculate solution concentration (molarity, molality, normality). 100% private. 100% private.

100% Private Works Offline Instant

Moles of solute (mol)

Volume of solution

Result (M (mol/L))

molarity

1 mol ÷ 1 L = 1 M

Dilution helper (C1=10M, C2=1M, V2=100mL)

V1 = 10 mL

C2 from V1=10 → 1 M

Molar mass helper (M = 58.44 g/mol)

25 g → 0.4278 mol

1 mol → 58.44 g

Batch (moles,volume_L per line)

2 M (mol/L)

0.25 M (mol/L)

1 M (mol/L)

Privacy: all calculations run locally in your browser.

Calculate solution concentration (molarity, molality, normality). 100% private. 100% private. Everything runs locally in your browser — your data never leaves your device.

How to use

Enter your input in the tool above.
Adjust any options to your preference.
Use the Copy or Download buttons to save the result.
Everything happens locally — your data never leaves your browser.

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