1 radian to arcseconds
1 rad = 206,264.81 ″. Change the amount below, or read the formula and the reference table further down.
1 radian equals
arcseconds
1 rad = 206,264.81 ″
The formula
Radians and arcseconds both measure angle from the same zero, so a single multiplier does the job.
″ = rad × 206,264.81
Going the other way? Convert arcseconds to radians.
Radians to arcseconds table
Values either side of 1 rad.
| Radians (rad) | Arcseconds (″) |
|---|---|
| -4 | -825,059.22 |
| -3.5 | -721,926.82 |
| -3 | -618,794.42 |
| -2.5 | -515,662.02 |
| -2 | -412,529.61 |
| -1.5 | -309,397.21 |
| -1 | -206,264.81 |
| -0.5 | -103,132.4 |
| 0 | 0 |
| 0.5 | 103,132.4 |
| 1 | 206,264.81 |
| 1.5 | 309,397.21 |
| 2 | 412,529.61 |
| 2.5 | 515,662.02 |
| 3 | 618,794.42 |
| 3.5 | 721,926.82 |
| 4 | 825,059.22 |
| 4.5 | 928,191.63 |
| 5 | 1,031,324.03 |
| 5.5 | 1,134,456.43 |
| 6 | 1,237,588.84 |
Questions people ask
- How many arcseconds are in a radian?
- One radian equals 206,264.81 arcseconds.
- How do I convert radians to arcseconds by hand?
- Multiply the number of radians by 206,264.81. For a rough check, 206,264.81 is close enough for most everyday use.
- What is 1 radian in arcseconds?
- 1 radian is 206,264.81 arcseconds.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.