How many degrees are in 1 arcsecond?

1 ″ equals 0.0002777777778 °.

How do I convert arcseconds to degrees?

Multiply the value in ″ by the conversion factor. For example, 10 ″ = 0.002777777778 °. Use our calculator above for instant results.

Is the arcseconds to degrees conversion exact?

This conversion uses NIST SP 811 factors with 10-digit precision, which is more than sufficient for all practical purposes.

Can I convert arcseconds to degrees offline?

Yes! OmniConvert runs entirely in your browser — no internet connection needed after the page loads. Your data never leaves your device, ensuring complete privacy.

What is the difference between arcseconds and degrees?

Arcseconds (″) and Degrees (°) are both units of angle but belong to different measurement systems. 1 ″ = 0.0002777777778 °. Use the converter above to switch between them instantly.

Arcseconds to Degrees (″ → °) — Free Online Converter

″ → ° Reference Table

″	°
0.001 ″	2.777777778e-7 °
0.002 ″	5.555555556e-7 °
0.003 ″	8.333333333e-7 °
0.004 ″	0.000001111111111 °
0.005 ″	0.000001388888889 °
0.006 ″	0.000001666666667 °
0.007 ″	0.000001944444444 °
0.008 ″	0.000002222222222 °
0.009 ″	0.0000025 °
0.01 ″	0.000002777777778 °
0.02 ″	0.000005555555556 °
0.03 ″	0.000008333333333 °
0.04 ″	0.00001111111111 °
0.05 ″	0.00001388888889 °
0.06 ″	0.00001666666667 °
0.07 ″	0.00001944444444 °
0.08 ″	0.00002222222222 °
0.09 ″	0.000025 °
0.1 ″	0.00002777777778 °
0.2 ″	0.00005555555556 °
0.3 ″	0.00008333333333 °
0.4 ″	0.0001111111111 °
0.5 ″	0.0001388888889 °
0.6 ″	0.0001666666667 °
0.7 ″	0.0001944444444 °
0.8 ″	0.0002222222222 °
0.9 ″	0.00025 °
1 ″	0.0002777777778 °
1.5 ″	0.0004166666667 °
2 ″	0.0005555555556 °
2.5 ″	0.0006944444444 °
3 ″	0.0008333333333 °
3.5 ″	0.0009722222222 °
4 ″	0.001111111111 °
4.5 ″	0.00125 °
5 ″	0.001388888889 °
5.5 ″	0.001527777778 °
6 ″	0.001666666667 °
6.5 ″	0.001805555556 °
7 ″	0.001944444444 °
7.5 ″	0.002083333333 °
8 ″	0.002222222222 °
8.5 ″	0.002361111111 °
9 ″	0.0025 °
9.5 ″	0.002638888889 °
10 ″	0.002777777778 °
11 ″	0.003055555556 °
12 ″	0.003333333333 °
13 ″	0.003611111111 °
14 ″	0.003888888889 °
15 ″	0.004166666667 °
16 ″	0.004444444444 °
17 ″	0.004722222222 °
18 ″	0.005 °
19 ″	0.005277777778 °
20 ″	0.005555555556 °
25 ″	0.006944444444 °
30 ″	0.008333333333 °
35 ″	0.009722222222 °
40 ″	0.01111111111 °
45 ″	0.0125 °
50 ″	0.01388888889 °
55 ″	0.01527777778 °
60 ″	0.01666666667 °
65 ″	0.01805555556 °
70 ″	0.01944444444 °
75 ″	0.02083333333 °
80 ″	0.02222222222 °
85 ″	0.02361111111 °
90 ″	0.025 °
95 ″	0.02638888889 °
100 ″	0.02777777778 °
120 ″	0.03333333333 °
125 ″	0.03472222222 °
130 ″	0.03611111111 °
140 ″	0.03888888889 °
150 ″	0.04166666667 °
160 ″	0.04444444444 °
175 ″	0.04861111111 °
180 ″	0.05 °
200 ″	0.05555555556 °
225 ″	0.0625 °
250 ″	0.06944444444 °
275 ″	0.07638888889 °
300 ″	0.08333333333 °
350 ″	0.09722222222 °
400 ″	0.1111111111 °
450 ″	0.125 °
500 ″	0.1388888889 °
600 ″	0.1666666667 °
700 ″	0.1944444444 °
750 ″	0.2083333333 °
800 ″	0.2222222222 °
900 ″	0.25 °
1000 ″	0.2777777778 °
1200 ″	0.3333333333 °
1250 ″	0.3472222222 °
1500 ″	0.4166666667 °
1750 ″	0.4861111111 °
2000 ″	0.5555555556 °
2500 ″	0.6944444444 °
3000 ″	0.8333333333 °
4000 ″	1.111111111 °
4500 ″	1.25 °
5000 ″	1.388888889 °
6000 ″	1.666666667 °
7000 ″	1.944444444 °
7500 ″	2.083333333 °
8000 ″	2.222222222 °
9000 ″	2.5 °
10000 ″	2.777777778 °
15000 ″	4.166666667 °
20000 ″	5.555555556 °
25000 ″	6.944444444 °
50000 ″	13.88888889 °
75000 ″	20.83333333 °
100000 ″	27.77777778 °

Why Convert Arcseconds to Degrees?

Converting between arcseconds (″) and degrees (°) is one of the most common angle conversions. Whether for engineering, cooking, travel, or science, knowing how to quickly convert ″ to ° saves time and prevents errors.

Angle conversions between ″ and ° are fundamental in geometry, astronomy, and navigation. Engineers and architects convert between degrees and radians for structural calculations and trigonometric functions. In astronomy, precise angle measurements are needed to track celestial bodies and calculate distances in space. Navigational tools, from simple compasses to complex GPS systems, rely on accurate angular data to plot courses. A small error in angle conversion can lead to significant deviations over long distances, causing bridges to misalign or ships to miss their destinations.

How to Convert Arcseconds to Degrees

To convert arcseconds to degrees, use the following formula:

° = ″ × 0.0002777777778

Example: 1 ″ = 0.0002777777778 °

For example, 5 ″ = 0.001388888889 °, 10 ″ = 0.002777777778 °, and 100 ″ = 0.02777777778 °. For larger values, 1000 ″ = 0.2777777778 °. Conversely, 1 ° = 3600 ″. Our calculator above performs this conversion instantly with full precision — no rounding errors.

Common Mistakes to Avoid

Radians vs Degrees: calculators often default to Radians; check mode.
Gradians: a Gradian is not a Degree (100 grads = 90 degrees).
Modulus 360: 370 degrees is physically same as 10 degrees, but mathematically distinct.

Pro Tips

Carpentry: 45 degrees is the classic miter cut for corners.
Triangles: Angles in a triangle always add up to 180 degrees.
Sun angle: Impacts solar panel efficiency; tilt towards equator.

What is a Arcsecond?

1/60 of an arcminute.

Astronomy.

What is a Degree?

A measurement of plane angle, 1/360 of a full rotation.

Geometry and navigation.

Arcseconds → Degrees

Arcseconds to Degrees Formula