Angle Converter
Convert between degrees, radians, and gradians.
Free · No sign-up · Works in your browser
Degree (°)
1
Radian (rad)
0.017453
Gradian (gon)
1.111111
Arcminute (′)
60
Arcsecond (″)
3,600
Turn / revolution
0.002778
About the Angle Converter
Free angle converter — convert between degrees, radians, gradians, arcminutes, arcseconds, and turns.
How to use the Angle Converter
- 1Enter a value.
- 2Pick the unit to convert from.
- 3Read every other unit and copy.
Frequently asked questions
How many radians in 180 degrees?
π radians (about 3.14159).
What is a gradian?
A gradian (gon) is 1/400 of a turn, so a right angle is 100 gradians.