Freezing Point Depression Calculator

Calculate the freezing point depression of a solvent caused by a dissolved solute, such as salt lowering water's freezing point.

Inputs

Water = 1.86

NaCl = 2, glucose = 1

Results
Freezing Point Depression
1.86 °C

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Formula

ΔTf = Kf × m × i

Learn How This Works

Colligative Properties: Why Salt Melts Ice and Raises Boiling Points

Freezing point depression, boiling point elevation, osmolarity, and molar volume — four calculations built on the same underlying colligative-property idea.

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