Table Of Contents
Degrees to arcseconds Conversion
1 degrees (deg) is equal to 3600 arcseconds (arcsec).
1 deg = 3600 arcsec
or
1 arcsec = 0.0002777777778 deg
Formula
To convert a angle from degrees (deg) to arcseconds (arcsec), multiply the angle in degrees by 3600
a(arcsec) = a(deg) × 3600
Examples:
Convert 180 degrees to arcseconds:
a(arcsec) = 180deg × 3600 = 648000 arcsec
Conversion table
| Degrees (deg) | Arcseconds (arcsec) |
|---|---|
| 1 deg | 3600 arcsec |
| 2 deg | 7200 arcsec |
| 3 deg | 10800 arcsec |
| 5 deg | 18000 arcsec |
| 10 deg | 36000 arcsec |
| 15 deg | 54000 arcsec |
| 20 deg | 72000 arcsec |
| 25 deg | 90000 arcsec |
| 30 deg | 108000 arcsec |
| 45 deg | 162000 arcsec |
| 50 deg | 180000 arcsec |
| 60 deg | 216000 arcsec |
| 90 deg | 324000 arcsec |
| 180 deg | 648000 arcsec |
| 360 deg | 1296000 arcsec |
| Arcseconds (arcsec) | Degrees (deg) |
|---|---|
| 1 arcsec | 2.77778e-4 deg |
| 2 arcsec | 5.55556e-4 deg |
| 3 arcsec | 8.33333e-4 deg |
| 5 arcsec | 0.001388889 deg |
| 10 arcsec | 0.002777778 deg |
| 15 arcsec | 0.004166667 deg |
| 20 arcsec | 0.005555556 deg |
| 25 arcsec | 0.006944444 deg |
| 30 arcsec | 0.008333333 deg |
| 45 arcsec | 0.0125 deg |
| 50 arcsec | 0.013888889 deg |
| 60 arcsec | 0.016666667 deg |
| 90 arcsec | 0.025 deg |
| 180 arcsec | 0.05 deg |
| 360 arcsec | 0.1 deg |
Frequently asked questions
How do I convert degrees to arcseconds?
Multiply the value in degrees by 3600 to get the result in arcseconds. For example, 5 deg × 3600 = 18000 arcsec.
How many arcseconds are in 1 degrees?
1 degrees (deg) is equal to 3600 arcseconds (arcsec).
How do I convert arcseconds back to degrees?
Use the inverse operation: divide the value in arcseconds by 3600 to get the result in degrees.
How accurate is the degrees to arcseconds conversion?
The converter multiplies by the conversion factor 3600 and rounds the result to 9 decimal places by default. You can increase or reduce the precision with the digits option on this page.
Sources
Conversion factors are based on internationally recognised standards:
