Convert Radians to Degrees

Enter a value in radians to convert it to degrees. The result updates instantly and includes the formula and calculation steps.

Radians to Degrees calculator

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Radians to Degrees formula

Use this formula to convert radians to degrees:

Degrees = Radians * 180 / π

Calculation

Enter a valid number above to see the formula with your value substituted step by step.

Radians to Degrees Conversion Table

Reference values for converting Radians to Degrees.

Radians (rad)Degrees (°)
0 rad0 °
1 rad57.2958 °
10 rad572.9578 °
45 rad2578.3101 °
90 rad5156.6202 °
180 rad10313.2403 °
360 rad20626.4806 °
1000 rad57295.7795 °

Worked example

Convert 1.5 Radians to Degrees

Degrees = 1.5 × 180 / π = 85.9437 Degrees

About these units

Radians

Radians are a fundamental unit of angular measurement in the International System of Units (SI). One radian is the angle subtended at the center of a circle by an arc whose length is equal to the radius of the circle. Radians are essential in mathematics and physics, particularly in calculus and trigonometry, where they simplify equations and allow for the natural expression of rotational and periodic phenomena.

Degrees

Degrees are a widely used unit of angular measurement, especially in geometry, trigonometry, and everyday applications. A full circle is divided into 360 degrees, with each degree further divided into 60 minutes and each minute into 60 seconds. Degrees offer an intuitive way to express angles, and they are prevalent in fields ranging from navigation to astronomy, as well as in common day-to-day measurements.

Frequently asked questions

What is the difference between radians and degrees?
Radians and degrees are both units for measuring angles. Degrees divide a circle into 360 parts, while radians are based on the radius of the circle, with a full circle being 2π radians.
What is the SI unit of angular measure?
The SI unit of angular measure is the radian.