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    How To Convert From Degrees To Radians

    Result

    π/180 radians

    Additional conversions

    17.45 mrad (milliradians)

    0.01111 quad (quadrants)

    Comparisons as plane angle

     ≈ 0.25 × angle at which the Leaning Tower of Pisa leans ( ≈ 3.99° )

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

     ≈ 1.9 × angular diameter of the sun viewed from Earth ( 31.45 to 32.53' )

    Comparison as angular resolving power

     ≈ 60 × angular resolving power of the human eye ( ≈ 1' )

    Interpretations

    plane angle

    angular resolving power

    Basic unit dimensions

    [angle]

    Corresponding quantities

    Arc length s along the Earth's equator from s = Rθ:
 | 60.11 nmi (nautical miles)
 | 69.17 miles
 | 111.3 km (kilometers)
 | 111319 meters

    Arc length s around the Earth at 45° latitude from s = Rcos(45°)θ:
 | 42.5 nmi (nautical miles)
 | 48.91 miles
 | 78.71 km (kilometers)
 | 78715 meters

    Rotation count N from N = φ/(2π):
 | 0.0028 rot (rotations)

    Slope percentage from [slope percentage] = 100% × tan(θ):
 | 1.746 slope% (slope percent)

    Electric loss factor d from δ = tan^(-1)(d):
 | 0.01746

    Quality factor Q from δd = tan^(-1)(1/Q):
 | 57.29

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