Radians to Degrees Converter
1 radian = 57.2958°. Formula: degrees = radians × 180/π. Enter any angle in radians.
Formula:deg = rad × 180/π
⇄ Switch to Degrees To RadiansRadian to Degree — common values
1 rad57.29578 °
30 rad1,718.8734 °
45 rad2,578.3101 °
90 rad5,156.6202 °
180 rad10,313.2403 °
270 rad15,469.8605 °
360 rad20,626.4806 °
How to convert Radians To Degrees
To convert radians to degrees, use the formula: deg = rad × 180/π. Enter any value in the input field above and the result appears instantly. Click the ⇄ button or use the “Switch to Degrees To Radians” link to reverse the conversion.
All conversions use precise mathematical constants validated against international SI standards (NIST and ISO 80000) and are accurate to 8 significant figures.
Frequently Asked Questions
What is the formula to convert Radians To Degrees?
deg = rad × 180/π. 1 radian = 57.2958°. Formula: degrees = radians × 180/π. Enter any angle in radians.
Is this converter free?
Yes — completely free, no registration required. Works instantly in your browser.
How do I convert Degrees To Radians?
Use the Degrees To Radians converter or click the ⇄ switch button above.
More Angle conversions
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The full converter supports all unit combinations