Seawater freezing point calculator


0. Brief description

This online calculator for freezing point of seawater is based on known formula, described in [1] (p. 30). Freezing point temperature of seawater is a function of hydrostatic pressure P and salinity sof water.

1. Calculation

Parameter Notation Value Range Units
Hydrostatic pressure P 103 .. 106 mBar
Water salinity s 0 .. 42 PSU
Freezing point t °C


  1. Algorithms for computation of fundamental properties of seawater. Unesco technical papers in marine science vol. 44, 1983.

This calculator is made with UCNLPhysics free and open source library.


(C) Alek Dikarev, 2020
For bug reports, suggestions and questions, please feel free to reach me