60 Arc Seconds to Radians

60" ≈ 0.00029089 rad

Calculation: rad = 60" × 4.84814 × 10⁻⁶ ≈ 0.00029089 rad

Arc Second to Radian Converter

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Sig. Figures:

How wide is 60"?

60 arc second (0.017 degrees) is comparable to the precision of a telescope crosshair, an almost imperceptible angle.

What does 60" look like?

Illustration of a telescope crosshair reticle
60 arc second (0.017 degrees) is comparable to the precision of a telescope crosshair, an almost imperceptible angle.

How to Convert Arc Second to Radian

1 arc second = 4.84814 × 10-6 radians

Radian = Arc Second × 4.84814 × 10-6

Example: 60" × 4.84814 × 10-6 = 0.00029089 rad

Reverse Conversion

To convert radians back to arc seconds:

  • Remember, 1 radian equals 206265 arc seconds.
  • To convert 0.00029089 rad to", multiply 0.00029089 x 206265, resulting in 60".

60 " is also equal to:

  • 0.016667 degree
  • 0.018519 gradian

Frequently Asked Questions

How much is 60 arc seconds in radians?

60 arc seconds equals 0.00029089 radians. This is calculated by multiplying 60 by the conversion factor 4.84814 × 10⁻⁶.

What does 60 arc seconds look like in radians?

60 arc seconds equals 0.00029089 radians, a conversion used in navigation, trigonometry, and engineering design.

How do you calculate 60 arc seconds to radians?

Multiply 60 by the conversion factor 4.84814 × 10⁻⁶. The calculation is 60 × 4.84814 × 10⁻⁶ = 0.00029089 radians. This factor is defined by international measurement standards.

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60 arc seconds = 0.000290888 radians
60 arc seconds = 0.000290888 radians — conversion chart

For general conversions between arc seconds and radians, see the arc seconds to radians converter.

Conversion factors verified against BIPM, ISO 80000-3 1 turn = 2π rad = 360° (exact, ISO 80000-3). Last reviewed: March 2026
Tiago Fernandes Reviewed by Tiago Fernandes

All unit conversions on CoolConversion use conversion factors defined or documented by internationally recognised standards bodies (such as ISO and NIST), including both SI and non-SI units.