Degrees to arcseconds converter
Arcseconds (″)
1 degree = 3,600 arcseconds
How to convert degrees to arcseconds
″ = ° × 3600
Multiply the number of degrees by 3600 to get arcseconds. Going the other way, divide by 3600 (or multiply by 0.000277777777778).
One degree is exactly defined as 3600 arcseconds (to 12 significant figures), and one arcsecond is 0.000277777777778 degrees.
Worked examples
- Convert 5 degrees: 5 × 3600 = 18,000 18,000 arcseconds.
- Convert 12.5 degrees: 12.5 × 3600 = 45,000 45,000 arcseconds.
- Convert 250 degrees: 250 × 3600 = 900,000 900,000 arcseconds.
Quick-reference table
| ° | ″ |
|---|---|
| 1 | 3,600 |
| 2 | 7,200 |
| 3 | 10,800 |
| 5 | 18,000 |
| 10 | 36,000 |
| 15 | 54,000 |
| 20 | 72,000 |
| 25 | 90,000 |
| 50 | 180,000 |
| 75 | 270,000 |
| 100 | 360,000 |
| 1,000 | 3,600,000 |
| ″ | ° |
|---|---|
| 1 | 0.0002777777778 |
| 2 | 0.0005555555556 |
| 3 | 0.0008333333333 |
| 5 | 0.001388888889 |
| 10 | 0.002777777778 |
| 15 | 0.004166666667 |
| 20 | 0.005555555556 |
| 25 | 0.006944444444 |
| 50 | 0.01388888889 |
| 75 | 0.02083333333 |
| 100 | 0.02777777778 |
| 1,000 | 0.2777777778 |
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Frequently asked questions
How many arcseconds are in 1 degree?
1 degree equals 3,600 arcseconds.
What is the formula to convert degrees to arcseconds?
Use ″ = ° × 3600. Multiply the number of degrees by 3600 to get arcseconds. Going the other way, divide by 3600 (or multiply by 0.000277777777778).
What is 100 degrees in arcseconds?
100 degrees is 360,000 arcseconds.