64 Arc Seconds to Radians

64" ≈ 0.00031028 rad

Calculation: rad = 64" × 4.84814 × 10⁻⁶ ≈ 0.00031028 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 64"?

64 arc second (0.018 degrees) is comparable to the precision of a telescope crosshair, an almost imperceptible angle.

What does 64" look like?

Illustration of a telescope crosshair reticle
64 arc second (0.018 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: 64" × 4.84814 × 10-6 = 0.00031028 rad

Reverse Conversion

To convert radians back to arc seconds:

  • Remember, 1 radian equals 206265 arc seconds.
  • To convert 0.00031028 rad to", multiply 0.00031028 x 206265, resulting in 64".

64 " is also equal to:

  • 0.017778 degree
  • 0.019753 gradian

Frequently Asked Questions

How much is 64 arc seconds in radians?

64 arc seconds equals 0.00031028 radians. This is calculated by multiplying 64 by the conversion factor 4.84814 × 10⁻⁶.

What does 64 arc seconds look like in radians?

64 arc seconds equals 0.00031028 radians, a conversion used in navigation, trigonometry, and engineering design.

How do you calculate 64 arc seconds to radians?

Multiply 64 by the conversion factor 4.84814 × 10⁻⁶. The calculation is 64 × 4.84814 × 10⁻⁶ = 0.00031028 radians. This factor is defined by international measurement standards.

Share This Calculation

64 arc seconds = 0.000310281 radians
64 arc seconds = 0.000310281 radians — conversion chart

Nearby Conversions

54 arc seconds0.0002618 radians 55 arc seconds0.0002666 radians 56 arc seconds0.0002715 radians 57 arc seconds0.0002763 radians 58 arc seconds0.0002812 radians 59 arc seconds0.000286 radians 60 arc seconds0.0002909 radians 61 arc seconds0.0002957 radians 62 arc seconds0.0003006 radians 63 arc seconds0.0003054 radians 65 arc seconds0.0003151 radians 66 arc seconds0.00032 radians 67 arc seconds0.0003248 radians 68 arc seconds0.0003297 radians 69 arc seconds0.0003345 radians 70 arc seconds0.0003394 radians 71 arc seconds0.0003442 radians 72 arc seconds0.0003491 radians 73 arc seconds0.0003539 radians 74 arc seconds0.0003588 radians

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
Adilson Fernandes By Adilson Fernandes
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.