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Degrees to Radians Converter (° to rad)

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How to Convert Degrees to Radians (° to rad)?

The conversion from degrees to radians is simple: 1 degree equals π/180 radians. To convert, multiply the number of degrees by π/180.

Formula

This formula shows how to convert degrees to radians by multiplying the value in degrees by π/180.
Radians=Degrees×π180\text{Radians} = \text{Degrees} \times \frac{\pi}{180}

Conversion Example: Degrees to Radians

With these steps, you can easily convert degrees to radians. Below, we provide practical examples to ensure the procedure is clear and easy to follow.

Example 1

Example 1: Convert 180 degrees to radians.

Multiply 180 degrees by π/180 to get the result in radians: 180 × π/180 = π radians.
Radians=180×π180=πRadians\text{Radians} = 180 \times \frac{\pi}{180} = \pi\,\text{Radians}

Result: 180 degrees equals π radians.

Example 2

Example 2: Convert 45 degrees to radians.

Multiply 45 degrees by π/180 to get the result in radians: 45 × π/180 = π/4 radians.
Radians=45×π180=π4Radians\text{Radians} = 45 \times \frac{\pi}{180} = \frac{\pi}{4}\,\text{Radians}

Result: 45 degrees equals π/4 radians.

Degrees to Radians Conversion Table

DegreesRadiansDecimal Value (rad)
30°π/6 rad0.5236 rad
45°π/4 rad0.7854 rad
60°π/3 rad1.0472 rad
90°π/2 rad1.5708 rad
120°2π/3 rad2.0944 rad
135°3π/4 rad2.3562 rad
150°5π/6 rad2.6180 rad
180°π rad3.1416 rad
210°7π/6 rad3.6652 rad
225°5π/4 rad3.9269 rad
240°4π/3 rad4.1888 rad
270°3π/2 rad4.7124 rad
300°5π/3 rad5.2360 rad
315°7π/4 rad5.4978 rad
330°11π/6 rad5.7596 rad
360°2π rad6.2832 rad

Frequently Asked Questions

How do I convert degrees to radians?

To convert degrees to radians, multiply the degrees by π and divide by 180. Formula: radians = degrees * (π / 180).

How many radians are in 180 degrees?

180 degrees equal π radians.

How many radians are in 90 degrees?

90 degrees equal π/2 radians.

What is a radian in terms of degrees?

1 radian is approximately equal to 57.2958 degrees.

How many radians are in 360 degrees?

360 degrees equal 2π radians.

How do I convert 45 degrees to radians?

To convert 45 degrees to radians, use the formula: 45 * (π / 180) = π/4 radians.

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