Convert Arcsecond to Radian
1 arcsecond = 0.0000048481368 radians (″ to rad).
A arcsecond is smaller than a radian — it takes 206,265 of them to make a single radian. Both units describe angle, and the reverse is just as easy — one radian equals 206,265 arcseconds. The converter above does this in real time, and the reference chart lists the values that come up most often.
1 ″ = 0.0000048481368 rad
How to convert Arcseconds to Radians
Multiply the arcsecond value by 0.00000484814 to get radians.
Example: 10 arcseconds = 0.0000484814 radians.
Arcsecond to Radian Conversion Chart
| Arcseconds | Radians |
|---|---|
| 1 ″ | 0.0000048481368 rad |
| 2 ″ | 0.0000096962736 rad |
| 3 ″ | 0.00001454441 rad |
| 5 ″ | 0.000024240684 rad |
| 10 ″ | 0.000048481368 rad |
| 20 ″ | 0.000096962736 rad |
| 25 ″ | 0.00012120342 rad |
| 50 ″ | 0.00024240684 rad |
| 100 ″ | 0.00048481368 rad |
| 1000 ″ | 0.0048481368 rad |
Frequently Asked Questions
- How many radians are in a arcsecond?
- There are 0.0000048481368 radians in 1 arcsecond.
- How do you convert arcseconds to radians?
- Multiply the arcsecond value by 0.00000484814 to get radians.
- What is 5 arcseconds in radians?
- 5 arcseconds equals 0.000024240684 radians.
- What is 100 arcseconds in radians?
- 100 arcseconds equals 0.00048481368 radians.
- What is 1 radian in arcseconds?
- 1 radian equals 206,264.81 arcseconds.
- Is this arcsecond to radian 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.