Convert degree to radian
1 ° = 0.01745329252 rad
1 ° = 0.017453 rad
1 ° in every angle unit
| microarcsecond | 3,600,000,000 μas |
| milliarcsecond | 3,600,000 mas |
| microradian | 17,453 μrad |
| arcsecond | 3,600 ″ |
| arcminute | 60 ′ |
| mil (NATO) | 17.778 mil |
| milliradian | 17.453 mrad |
| gradian | 1.1111 gon |
| degree | 1 ° |
| compass point | 0.088889 point |
| hour angle | 0.066667 h |
| radian | 0.017453 rad |
| quadrant | 0.011111 quad |
| revolution | 0.0027778 rev |
How the conversion works
Multiply by 0.01745329252 to go from degree to radian, or divide by it to go back. Every conversion on this site routes through the SI value (rad) rather than a table of pairwise factors, so a round-trip returns exactly what you started with.
Going the other way? radian to degree — 1 rad = 57.29577951 °.
degree to radian — common values
| 1 ° | 0.017453293 rad |
| 2 ° | 0.034906585 rad |
| 3 ° | 0.052359878 rad |
| 5 ° | 0.087266463 rad |
| 10 ° | 0.17453293 rad |
| 15 ° | 0.26179939 rad |
| 20 ° | 0.34906585 rad |
| 25 ° | 0.43633231 rad |
| 50 ° | 0.87266463 rad |
| 75 ° | 1.3089969 rad |
| 100 ° | 1.7453293 rad |
| 250 ° | 4.3633231 rad |
| 500 ° | 8.7266463 rad |
| 1000 ° | 17.453293 rad |