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Degree to Arcsecond Converter

1 degree is exactly 3600 arcseconds. Convert degrees (°) to arcseconds (″) below: type a value and the result updates as you type.

° to ″ calculator

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

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Result

Degree to Arcsecond conversion

1 ° = 3600 ″one degree in arcseconds

1 ″ ≈ 0.0002777777778 °one arcsecond in degrees

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

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

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

How to convert degrees to arcseconds

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

Formula

″ = ° × 3600

Examples

  • 5 ° = 5 × 3600 = 18000 ″
  • 25 ° = 25 × 3600 = 90000 ″
  • 100 ° = 100 × 3600 = 360000 ″

Degree to Arcsecond conversion table

Degree to Arcsecond
Degree (°)Arcsecond (″)
0.1 °360 ″
0.5 °1800 ″
1 °3600 ″
2 °7200 ″
3 °10800 ″
5 °18000 ″
10 °36000 ″
20 °72000 ″
25 °90000 ″
50 °180000 ″
100 °360000 ″
250 °900000 ″
500 °1800000 ″
1000 °3600000 ″

Values rounded to 10 significant digits where needed.

Frequently asked questions

How many arcseconds are in one degree?
One degree is exactly 3600 arcseconds.
How do I convert arcseconds to degrees?
To convert arcseconds to degrees, divide the number of arcseconds 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 degree or a arcsecond?
A degree is 3600 times larger than a arcsecond. In other words, a arcsecond is exactly 1/3600 of a degree.