---
title: "Radians to Arcseconds — rad to \" converter"
description: "1 radian = 206,264.81 arcseconds. Convert radians to arcseconds with a full conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/radians-to-arcseconds/
site: "At One Place"
---

# Radians to arcseconds

**1 radian in arcseconds: 1 rad = 206,264.81 "**

" = rad × 206,264.8062

To convert radians to arcseconds, multiply by 206,264.8062. The table below gives the values people look up most often, and the converter works for any number.

## Radians to arcseconds table

*Common radian values converted to arcseconds.*

| Radians | Arcseconds |
| --- | --- |
| 1 rad | 206,264.81 |
| 2 rad | 412,529.61 |
| 3 rad | 618,794.42 |
| 4 rad | 825,059.22 |
| 5 rad | 1,031,324 |
| 10 rad | 2,062,648.1 |
| 15 rad | 3,093,972.1 |
| 20 rad | 4,125,296.1 |
| 25 rad | 5,156,620.2 |
| 30 rad | 6,187,944.2 |
| 40 rad | 8,250,592.2 |
| 50 rad | 10,313,240 |
| 75 rad | 15,469,860 |
| 100 rad | 20,626,481 |
| 250 rad | 51,566,202 |
| 500 rad | 103,132,400 |
| 1,000 rad | 206,264,810 |

## How the conversion works

The relationship is " = rad × 206,264.8062. Both units measure angle, so the conversion is a fixed factor that never changes.

## Common questions

### How many arcseconds are in one radian?

One radian equals 206,264.81 arcseconds. " = rad × 206,264.8062.

### How do you convert radians to arcseconds?

Use " = rad × 206,264.8062. So 10 rad is 2,062,648.1 ".

### How many radians are in one arcsecond?

One arcsecond equals 0.000004848 radians, which is the reverse of the conversion above.

## Related pages

- [Arcseconds to Radians](https://atoneplace.net/convert/arcseconds-to-radians/)
- [Radians to Degrees](https://atoneplace.net/convert/radians-to-degrees/)

## Sources

- Guide for the Use of the International System of Units (SP 811) — NIST (https://www.nist.gov/pml/special-publication-811) [Public domain (US Government)]
- The International System of Units (SI Brochure) — Bureau International des Poids et Mesures (https://www.bipm.org/en/publications/si-brochure)
- Calculated on this page — At One Place (/about/)