Angle Converter
Degrees, radians, gradians
From unit
Degree
To unit
Radian
Supported angle units
This converter supports 6 units. Each conversion is calculated using the standard SI definition where applicable.
- Degree (°)
- Radian (rad)
- Gradian (grad)
- Arcminute (')
- Arcsecond (")
- Turn (turn)
Popular angle conversions
Quick reference for the most-searched angle conversions.
- 180 ° to rad = 3.14159153 rad
- 1 rad to ° = 57.2958 °
- 1 turn to ° = 360 °
Angle converter FAQ
- How many radians are in 180 degrees?
- 180 degrees (°) equals 3.14159153 radians (rad).
- How many degrees are in 1 radian?
- 1 radian (rad) equals 57.2958 degrees (°).
- How many degrees are in 1 turn?
- 1 turn (turn) equals 360 degrees (°).
- What is a angle converter?
- A angle converter instantly translates a value from one angle unit to another. Unit Guru supports 6 angle units, with the Degree (°) as the SI base unit.
- How accurate is the angle conversion?
- Every conversion uses the standard SI definition or the official conversion factor. Results are computed in your browser using double-precision arithmetic, so they're as accurate as the source units allow.
- Is the angle converter free?
- Yes — Unit Guru is 100% free with no ads, no signup, and no tracking. All conversions run client-side in your browser.