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Convert between Celsius and Fahrenheit in JavaScript

content/snippets/js/s/convert-celsius-fahrenheit.md

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Celsius to Fahrenheit

In order to convert from Celsius to Fahrenheit, you can use the conversion formula F = 1.8 * C + 32.

<latex-expression>
math
F = 1.8 \times C + 32
</latex-expression>
js
const celsiusToFahrenheit = degrees => 1.8 * degrees + 32;

celsiusToFahrenheit(33); // 91.4

Fahrenheit to Celsius

Conversely, the conversion formula from Fahrenheit to Celsius is C = (F - 32) * 5 / 9.

<latex-expression>
math
C = (F - 32) \times \frac{5}{9}
</latex-expression>
js
const fahrenheitToCelsius = degrees => (degrees - 32) * 5 / 9;

fahrenheitToCelsius(32); // 0