›› Measurement unit: arcsecond

Full name: arcsecond

Plural form: arcseconds

Symbol: sec

Category type: angle

Scale factor: 4.8481368110954E-6

›› SI unit: radian

The SI derived unit for angle is the radian.
1 radian is equal to 206264.8062471 arcsecond.

›› Convert arcsecond to another unit

Convert arcsecond to  

Valid units must be of the angle type.
You can use this form to select from known units:

Convert arcsecond to  

›› Definition: Second

A second of arc or arcsecond is a unit of angular measurement which comprises one-sixtieth of an arcminute, or 1/3600 of a degree of arc or 1/1296000 (approximately 7.7×10-7) of a circle. It is the angular diameter of an object of 1 unit diameter at a distance of 360×60×60/(2pi) (approximately 206,265 units), such as (approximately) 1 cm at 2.1 km, or, directly from the definition, 1 astronomical unit at 1 parsec.

›› Sample conversions: arcsecond

arcsecond to percent
arcsecond to radian
arcsecond to 1/2 circle
arcsecond to degree
arcsecond to grad
arcsecond to 1/8 circle
arcsecond to 1/16 circle
arcsecond to revolution
arcsecond to arcminute