Skip to content
ForceConversion

Popular tools

Arcsecond to Degree Converter

1 arcsecond is about 0.0002777777778 degrees. Convert arcseconds (″) to degrees (°) below: type a value and the result updates as you type.

″ to ° calculator

Dot or comma decimals and scientific notation (1e-3) work.

Display options

Result

Arcsecond to Degree conversion

1 ″ ≈ 0.0002777777778 °one arcsecond in degrees

1 ° = 3600 ″one degree in arcseconds

Arcsecond (″): Exactly 1/3600 of a degree.

Degree (°): Exactly π/180 radians (1/360 of a full turn).

Source:SI Brochure, 9th edition (BIPM, 2019)

How to convert arcseconds to degrees

To convert arcseconds to degrees, divide the number of arcseconds by 3600.

Formula

° = ″ ÷ 3600

Examples

  • 5 ″ = 5 ÷ 3600 ≈ 0.001388888889 °
  • 25 ″ = 25 ÷ 3600 ≈ 0.006944444444 °
  • 100 ″ = 100 ÷ 3600 ≈ 0.02777777778 °

Arcsecond to Degree conversion table

Arcsecond to Degree
Arcsecond (″)Degree (°)
0.1 ″0.00002777777778 °
0.5 ″0.0001388888889 °
1 ″0.0002777777778 °
2 ″0.0005555555556 °
3 ″0.0008333333333 °
5 ″0.001388888889 °
10 ″0.002777777778 °
20 ″0.005555555556 °
25 ″0.006944444444 °
50 ″0.01388888889 °
100 ″0.02777777778 °
250 ″0.06944444444 °
500 ″0.1388888889 °
1000 ″0.2777777778 °

Values rounded to 10 significant digits where needed.

Frequently asked questions

How many degrees are in one arcsecond?
One arcsecond is about 0.0002777777778 degrees.
How do I convert degrees to arcseconds?
To convert degrees to arcseconds, multiply the number of degrees by 3600. The formula is ″ = ° × 3600.
Is this conversion exact?
Yes. Both units have exact definitions and the factor 3600 is exact. Displayed results are only rounded when they have many decimal places.
Which is larger, a arcsecond or a degree?
A degree is 3600 times larger than a arcsecond. In other words, a arcsecond is exactly 1/3600 of a degree.