Convert Degree (°) to Radian (rad)

1 ° = 0.0174533 rad

Unit conversion from Degree to Radian. Use the reference table and formula below to convert Degree ⇄ Radian at a glance.

Formula: 1 ° = 0.0174533 rad

Reference table

DegreeRadian
1 °0.0174533 rad
2 °0.0349066 rad
3 °0.0523599 rad
5 °0.0872665 rad
10 °0.174533 rad
20 °0.349066 rad
50 °0.872665 rad
100 °1.74533 rad

About this conversion

Angle conversions are needed in math, physics, CAD and programming.

Frequently asked questions

How do I convert ° to rad?

Use the formula "1 ° = 0.0174533 rad". For example, 10 ° = 0.174533 rad.

How many ° are in 1 rad?

1 rad = 57.2958 ° (the reverse Radian → Degree conversion).

How are degrees and radians related?

180° equals π radians (about 3.14159). Most trigonometric functions expect radians.