Molality Calculator

Калькулятор моляльности

Добавлено 2026-08-29Обновлено 2026-10-03

Calculate molality from solute mass, molar mass and solvent mass in kilograms.

✓ Runs locally in your browser✓ No account required✓ Deterministic formula-based calculation

Chemical formula

Molar mass override (g/mol)

Solute mass

Solvent mass

Molality

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Solute moles

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Molar mass

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Results are calculation aids. Verify assumptions and laboratory requirements before operational use.

Об этом инструменте

Molality is computed as moles of solute divided by kilograms of solvent, not solution volume.

Common uses

molality calculatormolal concentration calculatormolality formulamoles per kg solvent

Как это работает

1Enter the requested chemistry values, formula or equation.
2Check units and leave a field blank only when the tool is designed to solve for an unknown.
3Run the calculation and review the result, formula and supporting breakdown.

Does this calculation run on a server?

No. The calculation runs locally in your browser with JavaScript.

Can I use the result directly in laboratory work?

Use it as a calculation aid and verify reagent form, purity, constants, assumptions and your laboratory SOP before operational use.