Free Radians to Degrees Converter

rad
°

π rad = 180°

Enter a value, then click Convert

Understanding Radians and Degrees

When working with angles, two primary units are widely used: radians (rad) and degrees (deg or °). The radian is the standard unit in mathematics and physics, while degrees are common in everyday contexts such as navigation and geometry. One full circle equals 2π2\pi radians, which corresponds to 360∘360^\circ. Consequently, 11 radian is approximately 57.2958∘57.2958^\circ — a useful figure to remember for quick mental conversions.

Conversion Formula Between rad and deg

The relationship between radians and degrees is defined by the constant π\pi:

degrees=radians×180∘π \text{degrees} = \text{radians} \times \frac{180^\circ}{\pi}

To convert in the opposite direction — from degrees to radians — simply use the reciprocal formula:

radians=degrees×π180∘ \text{radians} = \text{degrees} \times \frac{\pi}{180^\circ}

Worked Example

For instance, converting π\pi radians (approximately 3.141593.14159) into degrees yields:

180∘=3.14159 rad×180∘π 180^\circ = 3.14159\ \text{rad} \times \frac{180^\circ}{\pi}

Similarly, converting 360∘360^\circ back to radians gives 2π2\pi rad.

Using the Radians to Degrees Converter

This online rad to deg tool is designed to handle all angle conversions quickly and accurately. Simply enter the value in radians, and the calculator instantly displays the equivalent in degrees. You can also switch to the degrees‑to‑radians mode or explore other angular units — making it a versatile angle converter for anyone studying trigonometry or working with angular measurements.

No more manual arithmetic: trust the radians to degrees converter to perform the multiplication by 180π\frac{180}{\pi} and deliver precise results in a fraction of a second. Whether you are a student, engineer, or hobbyist, this free rad to deg tool simplifies your workflow and eliminates conversion errors.

FAQ

1. How do I convert radians to degrees manually?

Multiply the radian value by 180/pi. For example, 1 rad times 180/pi equals about 57.2958 degrees.

2. What is the formula for converting degrees to radians?

Multiply the degree value by pi/180. For instance, 360 degrees times pi/180 gives 2pi radians.

3. How many degrees is 1 radian?

One radian equals exactly 180/pi degrees, roughly 57.2958 degrees.

4. Can the converter also handle degrees to radians?

Yes, the tool has a reverse mode. Enter a degree value and it will display the equivalent in radians.

How to Use

  1. Enter radians to convert to degrees, or enter degrees to convert to radians.
  2. Click Convert to see the result instantly.
  3. 1 radian = 180/π ≈ 57.296 degrees. π radians = 180°.