Common values
- 180° = π radians ≈ 3.14159 rad
- 360° = 2π rad = 1 turn = 400 gon
- 1° = 60 arcminutes = 3600 arcseconds
- 1 rad ≈ 57.2958°
FAQ
When is each unit used?
Degrees for everyday geometry; radians in calculus and physics; gradians in some surveying systems; arcminutes / arcseconds in astronomy and navigation; turns in rotation counting.