Convert arcseconds to radians

Arcseconds to radians. Enter a value to convert, or use the arcseconds to radians chart further down the page.

1 ″ = 0.000004848136811 rad

1 arcsecond equals 0.000004848136811 radians. Going the other way, 1 radian = 206,264.8062 arcseconds.

How to convert arcseconds to radians

To convert arcseconds to radians, multiply the arcsecond value by 0.000004848136811. You can also divide by 206264.8062 to get the same answer.

rad = ″ × 0.000004848136811

Convert 45 ″ to radians:

45 ″ = 0.0002181661565 rad

Use this arcseconds to radians table for quick reference without typing anything.

An arcsecond is one sixtieth of an arcminute, or 1/3600 of a degree. Telescope resolution and stellar parallax are quoted in arcseconds.

A radian is the angle subtended by an arc equal in length to the radius. A full turn is 2π radians, so 1 rad ≈ 57.2958°.

How many radians are in an arcsecond?

1 arcseconds equals 0.000004848136811 radians. Going the other way, 1 radians is 206,264.8062 arcseconds.

How do you convert arcseconds to radians?

To convert arcseconds to radians, multiply the arcsecond value by 0.000004848136811. You can also divide by 206264.8062 to get the same answer.

What is 10 arcseconds in radians?

10 arcseconds equals 0.00004848136811 radians. The conversion chart on this page lists the other values people look up most often.