Convert Radian to Arcsecond
1 radian = 206,264.81 arcseconds (rad to ″).
The radian (rad) and the arcsecond (″) both measure angle. A radian is larger than a arcsecond — one radian contains 206,265 arcseconds. Going the other way, one arcsecond is 0.00000484814 radians. The converter above does this in real time, and the reference chart lists the values that come up most often.
1 rad = 206,264.81 ″
How to convert Radians to Arcseconds
Multiply the radian value by 206,265 to get arcseconds.
Example: 10 radians = 2,062,650 arcseconds.
Radian to Arcsecond Conversion Chart
| Radians | Arcseconds |
|---|---|
| 1 rad | 206,264.81 ″ |
| 2 rad | 412,529.61 ″ |
| 3 rad | 618,794.42 ″ |
| 5 rad | 1,031,324 ″ |
| 10 rad | 2,062,648.1 ″ |
| 20 rad | 4,125,296.1 ″ |
| 25 rad | 5,156,620.2 ″ |
| 50 rad | 10,313,240 ″ |
| 100 rad | 20,626,481 ″ |
| 1000 rad | 206,264,810 ″ |
Frequently Asked Questions
- How many arcseconds are in a radian?
- There are 206,264.81 arcseconds in 1 radian.
- How do you convert radians to arcseconds?
- Multiply the radian value by 206,265 to get arcseconds.
- What is 5 radians in arcseconds?
- 5 radians equals 1,031,324 arcseconds.
- What is 100 radians in arcseconds?
- 100 radians equals 20,626,481 arcseconds.
- What is 1 arcsecond in radians?
- 1 arcsecond equals 0.0000048481368 radians.
- Is this radian to arcsecond converter free?
- Yes. The converter is free, needs no sign-up, and runs entirely in your browser — the values you enter never leave your device.