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Radians to degrees (rad to °)

1 rad = 57.29577951 °. Enter any value below to convert radians to degrees instantly, or use the angle converter for every other unit.

Maintained by Jairo TunisseLast updated Editorial policy

1 rad = 57.29577951 °

° = rad × 57.29577951
1 ° = 0.01745329252 rad

Convert angle

Common angle conversions

1 °0.01745329252 rad
1 rad57.29577951 °
1 °60 ′
1 ′60 ″
1 rev360 °
1 °1.111111111 gon
1 gon0.9 °

Radians to degrees conversion table

Radians to degrees
Radians (rad)Degrees (°)
0.1 rad5.729577951 °
0.5 rad28.64788976 °
1 rad57.29577951 °
1.5 rad85.94366927 °
2 rad114.591559 °
3 rad171.8873385 °
3.141592654 rad180 °
6.283185307 rad360 °

The formula

° = rad × 57.29577951

1 rad = SI unit of angle. 180° = π rad. These are exact definitions, so the only rounding is in the displayed result (10 significant digits).

When you need it

Radians to degrees turns the output of atan2 or acos back into a human-readable angle. Multiply by 180/π. One radian, where the arc equals the radius, is about 57.3°.

Frequently asked questions

How do I convert radians to degrees?

Multiply the value in radians by 57.29577951 (or divide by 0.01745329252). For example, 1.5 rad = 85.94366927 °.

How many degrees are in one radian?

1 rad = 57.29577951 °.

How many degrees is π radians?

Exactly 180°.

How do I get degrees from atan2?

atan2 returns radians between −π and π; multiply by 180/π for degrees.