564 Arc Seconds to Radians

564" ≈ 0.0027343 rad

Calculation: rad = 564" × 4.84814 × 10⁻⁶ ≈ 0.0027343 rad

Arc Second to Radian Converter

Choose the type of measurement to convert
Select the source unit to convert from
Select the target unit to convert to
Enter a numeric value or fraction to convert
Sig. Figures:

How wide is 564"?

564 arc second (0.157 degrees) is comparable to the precision of a telescope crosshair, an almost imperceptible angle.

What does 564" look like?

Illustration of a telescope crosshair reticle
564 arc second (0.157 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: 564" × 4.84814 × 10-6 = 0.0027343 rad

Reverse Conversion

To convert radians back to arc seconds:

  • Remember, 1 radian equals 206265 arc seconds.
  • To convert 0.0027343 rad to", multiply 0.0027343 x 206265, resulting in 564".

564 " is also equal to:

  • 0.15667 degree
  • 0.17407 gradian
  • 0.00043519 turn

Frequently Asked Questions

How much is 564 arc seconds in radians?

564 arc seconds equals 0.0027343 radians. This is calculated by multiplying 564 by the conversion factor 4.84814 × 10⁻⁶.

What does 564 arc seconds look like in radians?

564 arc seconds equals 0.0027343 radians, a conversion used in navigation, trigonometry, and engineering design.

How do you calculate 564 arc seconds to radians?

Multiply 564 by the conversion factor 4.84814 × 10⁻⁶. The calculation is 564 × 4.84814 × 10⁻⁶ = 0.0027343 radians. This factor is defined by international measurement standards.

Share This Calculation

564 arc seconds = 0.00273435 radians
564 arc seconds = 0.00273435 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.