Direct conversion
Convert arcsecond [arcsec] to degree [deg] instantly with formula, examples, chart, and FAQs.
Quick answer
Use the calculator below for any custom value, then check the formula, examples, chart, and reverse conversion links.
1 arcsecond [arcsec] = 0.000278 degree [deg]
1 arcsecond [arcsec] = 0.000278 degree [deg]
Example: 1 arcsecond [arcsec] equals 0.000278 degree [deg].
Angle conversions use radian as the reference unit. Degree, arcminute, arcsecond, turn, and surveying units are converted through fixed factors.
Displayed results are rounded for readability. The calculator keeps enough precision for everyday use and switches to scientific notation for very large or very small values. Last reviewed: 2026-05-21.
The arcsecond (arcsec) is a angle unit used to express measurements in this converter.
HistoryThis unit is included because it appears in practical measurement systems, technical references, product specifications, or everyday conversion needs.
Current useUse arcsecond when comparing angle values, checking specifications, converting between systems, or preparing quick estimates.
The degree is an angle unit equal to one 360th of a full turn.
HistoryDegrees come from sexagesimal angle division and have long use in geometry and astronomy.
Current useDegrees are used for geometry, navigation, maps, construction, engineering, weather direction, and rotations.
| arcsecond [arcsec] | degree [deg] |
|---|---|
| 1 | 0.000278 |
| 2 | 0.000556 |
| 5 | 0.001389 |
| 10 | 0.002778 |
| 20 | 0.005556 |
| 25 | 0.006944 |
| 50 | 0.013889 |
| 100 | 0.027778 |
| 1000 | 0.277778 |
Use this formula: 1 arcsecond [arcsec] = 0.000278 degree [deg] Enter your value in the calculator and the result updates instantly.
1 arcsecond [arcsec] equals 0.000278 degree [deg].
Yes. Use the swap button in the calculator or open the related reverse conversion link when it is listed on this page.