How to convert degrees to arcseconds
″ = ° × 3,600Multiply the value in degrees by 3,600. To go the other way, multiply by 0.0002777777778 (or divide by 3,600).
A degree is larger than an arcsecond: one degree contains 3,600 arcseconds.
Worked examples
- 1 degree1 ° × 3,600 = 3,600 ″
- 5 degrees5 ° × 3,600 = 18,000 ″
- 10 degrees10 ° × 3,600 = 36,000 ″
- 20 degrees20 ° × 3,600 = 72,000 ″
- 100 degrees100 ° × 3,600 = 360,000 ″
Degrees to arcseconds conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| Degrees (°) | Arcseconds (″) |
|---|---|
| 0.1 ° | 360 ″ |
| 0.25 ° | 900 ″ |
| 0.5 ° | 1,800 ″ |
| 1 ° | 3,600 ″ |
| 2 ° | 7,200 ″ |
| 3 ° | 10,800 ″ |
| 4 ° | 14,400 ″ |
| 5 ° | 18,000 ″ |
| 6 ° | 21,600 ″ |
| 7 ° | 25,200 ″ |
| 8 ° | 28,800 ″ |
| 9 ° | 32,400 ″ |
| 10 ° | 36,000 ″ |
| Degrees (°) | Arcseconds (″) |
|---|---|
| 12 ° | 43,200 ″ |
| 15 ° | 54,000 ″ |
| 20 ° | 72,000 ″ |
| 25 ° | 90,000 ″ |
| 30 ° | 108,000 ″ |
| 40 ° | 144,000 ″ |
| 50 ° | 180,000 ″ |
| 75 ° | 270,000 ″ |
| 100 ° | 360,000 ″ |
| 250 ° | 900,000 ″ |
| 500 ° | 1,800,000 ″ |
| 1,000 ° | 3,600,000 ″ |
About the units
Degree (°)
One 360th of a full turn. One degree equals 0.01745329252 radians (rad).
Arcsecond (″)
The arcsecond (″) is a unit of angle. One arcsecond equals 0.000004848136811 radians (rad).
Frequently asked questions
How many arcseconds are in one degree?
There are 3,600 arcseconds in one degree, and this value is exact by definition.
How do I convert degrees to arcseconds?
Multiply the number of degrees by 3,600. For example, 10 ° × 3,600 = 36,000 ″.
How many degrees are in one arcsecond?
One arcsecond equals 0.0002777777778 degrees. That is the reverse factor, 1 ÷ 3,600.
What is 10 degrees in arcseconds?
10 ° = 36,000 ″.
Is this ° to ″ converter accurate?
Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.