Type a value, choose the units and get an instant answer. The table below the converter shows the same value in every angle unit, and all factors use exact or internationally standard definitions.
How to convert angle units
- Enter the value.
- Pick the unit to convert from and to (⇄ swaps them).
- Read the result, formula and the table of all units.
Angle units
| Unit | Symbol | About |
|---|---|---|
| Degree | ° | One 360th of a full turn. |
| Radian | rad | The SI unit of angle; a full turn is 2π radians. |
| Gradian | gon | One 400th of a full turn, used in surveying. |
| Arcminute | ′ | One 60th of a degree. |
| Arcsecond | ″ | One 60th of an arcminute. |
| Turn | tr | One full rotation. |
Popular angle conversions
Degrees to Radians · Radians to Degrees
Frequently asked questions
How accurate is the angle converter?
It uses exact definitions where they exist and shows up to 10 significant figures, more than enough for everyday, school and engineering use.
Updated October 2026 · Built and tested by Sharjeel Tahir · How our tools are tested