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Convert Radians to Arcseconds

1 radian = 206,264.8 arcseconds. Type any value below to convert in either direction — the calculation happens in your browser.

Radians to Arcseconds formula

Multiply the number of radians by 206264.8 to get arcseconds.

arcseconds = radians × 206264.8

To go the other way: divide the number of arcseconds by 206264.8, or multiply by 0.000004848137.

radians = arcseconds ÷ 206264.8

Radians to Arcseconds conversion table

RadiansArcseconds
1 rad206,264.8 ″
2 rad412,529.6 ″
3 rad618,794.4 ″
4 rad825,059.2 ″
5 rad1,031,324 ″
6 rad1,237,589 ″
7 rad1,443,854 ″
8 rad1,650,118 ″
9 rad1,856,383 ″
10 rad2,062,648 ″
15 rad3,093,972 ″
20 rad4,125,296 ″
25 rad5,156,620 ″
30 rad6,187,944 ″
40 rad8,250,592 ″
50 rad10,313,240 ″
75 rad15,469,860 ″
100 rad20,626,481 ″
250 rad51,566,202 ″
500 rad103,132,403 ″
1,000 rad206,264,806 ″

Arcseconds to Radians conversion table

ArcsecondsRadians
1 ″0.000004848137 rad
2 ″0.000009696274 rad
3 ″0.00001454441 rad
4 ″0.00001939255 rad
5 ″0.00002424068 rad
6 ″0.00002908882 rad
7 ″0.00003393696 rad
8 ″0.00003878509 rad
9 ″0.00004363323 rad
10 ″0.00004848137 rad

About the radian

A radian is the angle subtending an arc equal to the radius; a full turn is 2π radians.

About the arcsecond

An arcsecond is one sixtieth of an arcminute, the precision scale of telescopes and GPS coordinates.

Frequently asked questions

How many arcseconds are in a radian?

There are 206,264.8 arcseconds in one radian.

How many radians are in a arcsecond?

There are 0.000004848137 radians in one arcsecond.

Is this conversion exact?

The ratio between the radian and the arcsecond is fixed by definition, so the conversion is exact — the figures shown here are rounded for readability only.

What is 10 radians in arcseconds?

10 radians equals 2,062,648 arcseconds.

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