- 1 complete circle = 360° (360 degrees)
- 1° (1 degree) = 60' (60 arc-minutes)
- 1' (1 arc-minute) = 60" (60 arc-seconds)
- Width of pinky finger at arm's length: 1°
- Width of fist at arm's length: 10°
- Width of outstretched hand at arm's length: 20°
- Width of Sun and Moon: 31' (about ½°)
- Distance between "Pointer Stars" in Big Dipper: 5°