1. Home
  2. Angle
  3. arcsec → rad

Convert Arcseconds to Radians

arcsec
=
rad

Arcsecond (arcsec)

An arcsecond is 1/60 of an arcminute, or 1/3600 of a degree. It is commonly used in precise scientific and astronomical contexts.

Radian (rad)

A radian is the SI unit of angular measure. One radian is the angle created when the arc length equals the radius of a circle.

Arcseconds to Radians Conversion Table

Arcseconds (arcsec)Radians (rad)
10.00000485
20.0000097
50.00002424
100.00004848
200.00009696
500.00024
1000.00048
2500.00121
5000.00242
10000.00485

How to Convert Arcseconds to Radians

Conversion factor:

1 arcsec = 0.00000485 rad

Inverse factor:

1 rad = 206264.80625 arcsec

Example

Convert 15 arcsec To rad:

rad = arcsec × 0.00000485

rad = 15 × 0.00000485

rad = 0.00007272

= 0.00007272 rad

All conversions from Arcseconds (arcsec)