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snippetjavascriptTip

Convert between degrees and radians in JavaScript

Submitted by: @import:30-seconds-of-code··
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javascriptandbetweenradiansconvertdegrees

Problem

JavaScript's Math.PI constant can be used to convert an angle from degrees to radians. The conversion formula is radians = degrees * Math.PI / 180.0.
<latex-expression>
</latex-expression>
Conversely, the conversion formula from radians to degrees is degrees = radians * 180.0 / Math.PI.
<latex-expression>

Solution

r = \frac{d \times \pi}{180}


</latex-expression>
Conversely, the conversion formula from radians to degrees is degrees = radians * 180.0 / Math.PI.
<latex-expression>
</latex-expression>

Code Snippets

r = \frac{d \times \pi}{180}
const degreesToRads = deg => (deg * Math.PI) / 180.0;

degreesToRads(90.0); // ~1.5708
d = \frac{r \times 180}{\pi}

Context

From 30-seconds-of-code: convert-degrees-radians

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