Degrees to Arcseconds
Convert degrees to arcseconds instantly. 1 ° = 3,600 ″. Includes the exact factor, a conversion table of common values and the definition of both units.
How to convert degrees to arcseconds
To convert degrees to arcseconds, multiply by 3,600. The relationship is fixed, so the same factor works for any quantity — there is nothing to look up and nothing that changes with temperature, location or context.
″ = ° × 3,600
Degrees to Arcseconds conversion table
The values people look up most often, rounded for reading. Use the calculator above for anything in between.
| Degrees | Arcseconds |
|---|---|
| 1 ° | 3,600 ″ |
| 2 ° | 7,200 ″ |
| 3 ° | 10,800 ″ |
| 5 ° | 18,000 ″ |
| 10 ° | 36,000 ″ |
| 20 ° | 72,000 ″ |
| 25 ° | 90,000 ″ |
| 50 ° | 180,000 ″ |
| 100 ° | 360,000 ″ |
| 500 ° | 1,800,000 ″ |
| 1,000 ° | 3,600,000 ″ |
What is a degree?
A 360th of a circle, inherited from Babylonian astronomy.
What is a arcsecond?
A 60th of an arcminute, the unit of astronomical precision.
The formula
″ = ° × 3,600
Every result on this page comes from this formula. Nothing is rounded until the final display, so figures match a spreadsheet to the cent.
How to use the Degrees to Arcseconds
- Type the number of degrees you want to convert.
- Read the result in arcseconds straight away — there is no button to press.
- Check the table below for the values that come up most often, or reverse the conversion with the linked arcseconds to degrees page.
Degrees to Arcseconds — frequently asked questions
How many arcseconds are in a degree?
One degree equals 3,600 ″. ″ = ° × 3,600
What is the formula to convert degrees to arcseconds?
The formula is ″ = ° × 3,600. It is an exact definition rather than an approximation, so the conversion never drifts no matter how large the number.
How do I convert arcseconds back to degrees?
Divide instead of multiplying: one arcsecond is 0.0002777778 °. The reverse converter is linked in the related tools list.
Is this conversion exact?
Yes. Both units are defined against the same base unit by international agreement, so the factor is exact — any rounding you see is only in the display, which you can widen by entering more decimal places.
Is this degrees to arcseconds free to use?
Yes. Every calculator on the site is free, needs no sign-up, and runs entirely in your browser, so your figures never leave your device.
What people search for
This page answers each of these searches. They are the exact phrases visitors use to find the degrees to arcseconds.
- degrees to arcseconds
- 1 degree to arcseconds
- how many arcseconds in a degree
- °2″
- degrees in arcseconds
- degrees to arcseconds converter
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About this calculator
Written and reviewed by The Samsung Calculator editorial team. Every calculator is written against a published formula, reviewed against at least one independent reference implementation, and dated when it changes.
Last reviewed August 19, 2026 · Calculation runs client-side · No data collected · Report an error