Radians to Degrees (rad to deg)

1rad = 57º 17.748′

Degrees to Radians (Swap units)

1rad = 57º 17.748′

Format
Accuracy

Note: For a pure decimal result please select 'decimal' from the options above the result.

Radians to Degrees calculation

Degrees = Radians * 57.2958

Degrees = 1 * 57.2958

Degrees = 57.2958

To format the result into Degrees and Minutes..

Split the answer into whole and remainder: 57º 0.2958º

Degrees to Minutes calculation

Minutes = Degrees * 60

Minutes = 0.2958 * 60

Minutes = 17.748

Put it all together

Degrees = 57º 17.748′

 

Radians to Degrees conversion formula

Degrees = Radians * 57.2958

Radians and Degrees

Radians and degrees are two different units used to measure angles. While degrees are the more commonly used unit, radians are often preferred in mathematical and scientific calculations due to their simplicity and compatibility with trigonometric functions.

A radian is defined as the angle subtended at the center of a circle by an arc that is equal in length to the radius of the circle. In other words, if we were to take a circle with a radius of 1 unit and measure an arc along the circumference that is also 1 unit long, the angle formed at the center of the circle would be 1 radian. Radians are considered a pure mathematical unit and are dimensionless.

Degrees, on the other hand, divide a circle into 360 equal parts. Each degree is further divided into 60 minutes and each minute into 60 seconds. Degrees are commonly used in everyday life for measuring angles, such as in navigation, engineering, and construction.

How do I convert Radians to Degrees?

To convert radians to degrees, you can use a simple formula that relates the two units of measurement. Since there are 2π radians in a full circle (360 degrees), you can use the following formula:

Degrees = Radians × (180/π)

To convert a given value in radians to degrees, you simply multiply the value by the conversion factor of (180/π). For example, if you have an angle of 2 radians, you can calculate the equivalent in degrees as follows:

Degrees = 2 × (180/π) ≈ 114.59 degrees

Similarly, if you have an angle of π/4 radians, you can convert it to degrees using the formula:

Degrees = (π/4) × (180/π) ≈ 45 degrees

This conversion is useful when working with angles in different units, especially when dealing with trigonometric functions that often require angles to be in degrees. By converting radians to degrees, you can easily compare and work with angles in a more familiar unit of measurement.

Should I use Radians or Degrees?

When it comes to measuring angles, the choice between radians and degrees depends on the context and the specific application.

Radians are a unit of measurement commonly used in mathematics and physics, particularly in calculus and trigonometry. They are based on the concept of the radius of a circle and are defined as the ratio of the length of an arc to the radius of the circle. Radians are a natural choice when dealing with circular motion, as they simplify calculations involving angles and provide a more intuitive understanding of trigonometric functions.

Degrees are a more familiar unit of measurement for most people, as they are commonly used in everyday life. Degrees divide a circle into 360 equal parts, with each degree representing 1/360th of a full rotation. Degrees are often used in fields such as engineering, navigation, and geography, where precise measurements are not always required, and a more practical approach is preferred.

Why might I wish to convert Radians to Degrees?

One of the main reasons for converting radians to degrees is to make angles more relatable and intuitive. Degrees are a familiar unit of measurement for most people, as they are commonly used in everyday situations such as measuring temperature or determining the position of objects. By converting radians to degrees, complex mathematical concepts involving angles can be explained in a more accessible manner, making it easier for students and non-experts to grasp and apply these concepts.

Common conversions from Radians to Degrees

π rad = 180 degrees (straight line)

π/2 rad = 90 degrees (right angle)

2π rad = 360 degrees (full circle)

2π/3 = 120 degrees

π/3 = 60 degrees

π/4 = 45 degrees

 

Radians to Degrees table

Starting value
Increment
Accuracy
Format
Radians
0
1
2
3
4
5
6
7
8
9
Degrees
0.0000º
57.296º
114.59º
171.89º
229.18º
286.48º
343.77º
401.07º
458.37º
515.66º
Radians
10
11
12
13
14
15
16
17
18
19
Degrees
572.96º
630.25º
687.55º
744.85º
802.14º
859.44º
916.73º
974.03º
1,031.3º
1,088.6º
Radians
20
21
22
23
24
25
26
27
28
29
Degrees
1,145.9º
1,203.2º
1,260.5º
1,317.8º
1,375.1º
1,432.4º
1,489.7º
1,547.0º
1,604.3º
1,661.6º
Radians
30
31
32
33
34
35
36
37
38
39
Degrees
1,718.9º
1,776.2º
1,833.5º
1,890.8º
1,948.1º
2,005.4º
2,062.6º
2,119.9º
2,177.2º
2,234.5º

 

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