Radians to Degrees Converter
Convert radians (rad) to degrees (°). Includes rounding controls, common reference angles, and input validation.
Enter radians then convert. Press Ctrl/Cmd + Enter.
Result will appear here.
| Reference | Radians | Degrees |
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Privacy: runs locally in your browser. No inputs are stored or transmitted.
How it works
Degrees = radians × 180 / π
Reverse: Radians = degrees × π / 180
Examples
- π rad = 180°
- π/2 rad = 90°
- 2π rad = 360°
FAQ
- What is the formula for radians to degrees?
Degrees = radians × 180 / π.
- What is π radians in degrees?
π radians equals 180 degrees.
- Can radians be negative?
Yes. Negative radians are supported and often indicate clockwise or reverse rotation.
- Are my inputs stored?
No. All calculations run locally in your browser.