# Fahrenheit

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The Fahrenheit temperature scale (developed in 1724 by Daniel Gabriel Fahrenheit) was established using three reference points of temperature: a frigorific mixture of ice, water, and ammonium chloride, for 0°; an equilibrium mixture of ice and water, for 32°; and the average human body temperature, initially 96° (approximately).

At one standard atmosphere of pressure, water melts/freezes at 32°F and vaporizes/condenses at 212°F.

Fahrenheit is related to the Kelvin scale by the following formulas:

$(^\circ F+459.67)\frac{5}{9}=K$

$^\circ F=K\frac{9}{5}-459.67$

Fahrenheit is related to the Celsius scale by the following formulas:

$(^\circ F-32)\frac{5}{9}=^\circ C$

$^\circ F=^\circ C\frac{9}{5}+32$