Convert Degree to Arcsecond
Live bidirectional calculator for Degrees (°) and Arcseconds (arcsec) with verified formula and conversion charts.
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How the Calculation Works (Linear Scaling)
Since 1 Degree = 3600 Arcseconds, multiply the value in Degrees by 3600.
Degree to Arcsecond Conversion Table
Precomputed values for quick reference and printing.
| Degree | Arcsecond |
|---|---|
| 1 ° | 3600 arcsec |
| 2 ° | 7200 arcsec |
| 3 ° | 10800 arcsec |
| 4 ° | 14400 arcsec |
| 5 ° | 18000 arcsec |
| 6 ° | 21600 arcsec |
| 7 ° | 25200 arcsec |
| 8 ° | 28800 arcsec |
| 9 ° | 32400 arcsec |
| 10 ° | 36000 arcsec |
| 15 ° | 54000 arcsec |
| 20 ° | 72000 arcsec |
| 25 ° | 90000 arcsec |
| 30 ° | 108000 arcsec |
| 40 ° | 144000 arcsec |
| 50 ° | 180000 arcsec |
| 75 ° | 270000 arcsec |
| 100 ° | 360000 arcsec |
| Arcsecond | Degree |
|---|---|
| 1 arcsec | 0.0003 ° |
| 2 arcsec | 0.0006 ° |
| 3 arcsec | 0.0008 ° |
| 4 arcsec | 0.0011 ° |
| 5 arcsec | 0.0014 ° |
| 6 arcsec | 0.0017 ° |
| 7 arcsec | 0.0019 ° |
| 8 arcsec | 0.0022 ° |
| 9 arcsec | 0.0025 ° |
| 10 arcsec | 0.0028 ° |
| 15 arcsec | 0.0042 ° |
| 20 arcsec | 0.0056 ° |
| 25 arcsec | 0.0069 ° |
| 30 arcsec | 0.0083 ° |
| 40 arcsec | 0.0111 ° |
| 50 arcsec | 0.0139 ° |
| 75 arcsec | 0.0208 ° |
| 100 arcsec | 0.0278 ° |
About Degree (°)
A unit of plane angular measurement equal to 1/360 of a full turn (π / 180 radians).
History: Traced to ancient Babylonian astronomers dividing the celestial circle into 360 days/degrees.
Common Uses: Everyday compass geometry, map coordinates (latitude/longitude), navigation.
About Arcsecond (arcsec)
One sixtieth of an arcminute or 1/3,600 of a degree (π / 648,000 radians).
History: Sexagesimal second subdivision ("partes minutae secundae").
Common Uses: Telescope resolution limits, stellar parallax distances (parsec = parallax of 1 arcsec).
❓ Frequently Asked Questions
How many Arcseconds are in 1 Degree?
There are exactly 3600 Arcseconds in 1 Degree (1 ° = 3600 arcsec).
What is the formula to convert Degree to Arcsecond?
The formula is: Arcsecond = Degree × 3600. Since 1 Degree = 3600 Arcseconds, multiply the value in Degrees by 3600.
How do I convert 1 ° to arcsec manually?
To convert 1 ° to arcsec: apply the formula Arcsecond = Degree × 3600. Substituting gives: 1 × 3600 = 3600 arcsec.