EngiRef / Angle conversion
Convert Degrees to Radians (° to rad)
1 ° = 0.0174532925 rad. Convert degrees to radians with the exact factor, a common-values table and a free converter.
Conversion factor
rad = ° × 0.0174532925
1 ° = 0.0174532925 rad
Multiply by 0.0174532925 rad to go from degrees to radians, or divide by it to come back. The factor and every value below are computed by the same converter that runs at /convert, so this page and the tool cannot disagree.
° to rad table
| Degrees (°) | Radians (rad) |
|---|---|
| 1 ° | 0.0174532925 rad |
| 2 ° | 0.034906585 rad |
| 5 ° | 0.0872664626 rad |
| 10 ° | 0.174532925 rad |
| 20 ° | 0.34906585 rad |
| 50 ° | 0.872664626 rad |
| 100 ° | 1.74532925 rad |
Every figure is computed at build time by the site’s own converter from the angle unit registry. For a value that is not listed, put it into the interactive converter.
Frequently asked questions
How many radians are in one degree?
One degree is 0.0174532925 rad, so 100 ° is 1.74532925 rad.
What is the formula to convert degrees to radians?
rad = ° × 0.0174532925. Multiply the value in degrees by 0.0174532925 to get radians.
How do I convert radians back to degrees?
° = rad × 57.2957795, so 1 rad is 57.2957795 °. The rad to ° page carries the same table in that direction.