Arcsecond to Degree Converter

Angle Converter

14 units available

Decimals:

From

To

0.000278

1 " = 0.000278 °

Formula:

° = " × 0.0002777778

With your value: 1 " = 0.00027778 °

Other Arcsecond to Degree conversions

2 " to °3 " to °4 " to °5 " to °6 " to °7 " to °8 " to °

Arcsecond to Degree Conversion Table

Arcsecond (")	Degree (°)
0.5	0.000139
1	0.000278
2	0.000556
5	0.001389
10	0.002778
15	0.004167
20	0.005556
25	0.006944
50	0.013889
100	0.027778
250	0.069444
500	0.138889
1000	0.277778

Degree to Arcsecond Conversion Table

Degree (°)	Arcsecond (")
0.5	1,800
1	3,600
2	7,200
5	18,000
10	36,000
15	54,000
20	72,000
25	90,000
50	180,000
100	360,000
250	900,000
500	1,800,000
1000	3,600,000

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Arcsecond (")

Angle

Exact conversion

The radian is the coherent SI unit of plane angle; the degree is exactly π/180 rad and is accepted for use with the SI.

Source: Units accepted for use with the SI, SI Brochure Table 8

Bureau International des Poids et Mesures · Reviewed 2026-07-01

Degree (°)

Angle

Exact conversion

1° = π/180 rad exactly; accepted for use with the SI.

Source: Units accepted for use with the SI, SI Brochure Table 8

Bureau International des Poids et Mesures · Reviewed 2026-07-01

How to Convert Arcsecond to Degree

To convert from Arcsecond (") to Degree (°), multiply the value by 0.0002777778.

Formula: ° = " × 0.0002777778

Reverse: " = ° × 3,600

Step-by-Step Example

Start with your value in Arcsecond. For example: 5 "
Multiply by the conversion factor: 5 x 0.0002777778
The result is: 0.001389 °

About Arcsecond

The arcsecond (") is a unit of plane angle. One arcsecond equals 0.0002777777778 radians. UnitConvertLab converts it against every other angle unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: angle calculations, engineering and science, education.

About Degree

The degree is a measurement of angle equal to 1/360 of a full rotation. It is the most commonly used unit of angular measurement.

Common uses: navigation, geometry, construction.

Frequently Asked Questions

How many Degree are in 1 Arcsecond?

There are exactly 0.0002777778 Degree in 1 Arcsecond. This means the conversion factor from Arcsecond to Degree is 0.0002777778.

What is the formula to convert Arcsecond to Degree?

The formula to convert Arcsecond to Degree is: ° = " × 0.0002777778. For example, to convert 10 Arcsecond to Degree, you would multiply 10 by 0.0002777778.

What is a Arcsecond?