CalcOS

CalcOS · Reference-grade conversion

Radians to Degrees Converter

Convert radians to degrees with the exact π relationship between degrees and radians. Every result uses governed BIPM and NIST definitions.

FamilyAngle
01

Set the units

Converted value180 °

3.142 rad in degree

How to convert radians to degrees

Used in mathematics, physics, engineering, programming, and trigonometry. CalcOS retains π in the governing definition and rounds only the displayed numerical result.

degrees = radians × 180 ÷ π

Worked example: 3.14159265359 rad = 180 °.

Radians to Degrees common-angle table

radian (rad)degree (°)
00
0.52359877559830
0.78539816339745
1.047197551260
1.5707963267990
3.14159265359180
6.28318530718360

Radians and degrees measure the same angle

The radian is the SI coherent unit of plane angle. Degrees remain accepted for use with SI and are defined by the exact relationship 1° = π/180 rad.

Related angle conversion

Source: BIPM SI Brochure, Table 8. See the complete Angle Converter guide.