Angle conversion
3 units, with rad as the base. Every value in the factor table is the number you multiply by, so reading across a row converts out of that unit and reading down a column converts into it.
Factor table
| from \ to | ° | rad | mrad |
|---|---|---|---|
| ° | 1 | 0.0174533 | 17.4533 |
| rad | 57.2958 | 1 | 1000 |
| mrad | 0.0572958 | 0.001 | 1 |
Prefixes such as milli, micro and kilo follow the SI prefixes table.
The values are facts and free to use; this table’s selection and presentation are © 2026 ScienceQuest.
Common conversions
Degrees to radians
1° = 0.0174533 rad. In reverse, 1 rad = 57.2958°.
| ° | rad |
|---|---|
| 1 | 0.0174533 |
| 5 | 0.0872665 |
| 10 | 0.174533 |
| 50 | 0.872665 |
| 100 | 1.74533 |
| 500 | 8.72665 |
Worked example
- 1° in rad
- = 1 × 0.0174533
- = 0.0174533 rad
Convert a number
The table gives the factor; the unit converter does the arithmetic, remembers the units you picked, and turns any conversion into a link you can share.