1 grad | 1 gon | 0.9° (degrees) | 15.71 mrad (milliradians) | π/200 radians

1 gon | 1 grad 1° | 1.111 grads 1 mrad | 0.06366 grads 1 rad | 63.66 grads

plane angle

bearing

French

officially deprecated (NIST Special Publication 1038, Sec. 4.3.3)

[angle]

Arc length s along the Earth's equator from s = Rθ: | 54.1 nmi (nautical miles) | 62.25 miles | 100.2 km (kilometers) | 100188 meters

Arc length s around the Earth at 45° latitude from s = Rcos(45°)θ: | 38.25 nmi (nautical miles) | 44.02 miles | 70.84 km (kilometers) | 70843 meters

Rotation count N from N = φ/(2π): | 0.0025 rot (rotations)

Slope percentage from [slope percentage] = 100% × tan(θ): | 1.571 slope% (slope percent)

Electric loss factor d from δ = tan^(-1)(d): | 0.01571

Quality factor Q from δd = tan^(-1)(1/Q): | 63.66

≈ angular width of the little finger held at arm's length ( ≈ 1° )

≈ 1.7 × angular diameter of the sun viewed from Earth ( 31.45 to 32.53' )

≈ 1.7 × angular diameter of the moon viewed from Earth ( 29.33 to 34.1' )

≈ 50 × angular resolving power of the human eye ( ≈ 1' )