Seconds (angular) conversion

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Seconds (angular)


  • arcsec

Unit of:

  • Angle

Worldwide use:

  • Global


A second of arc (also known as arcsec) is 1⁄60 of an arcminute, or 1⁄1,296,000 of a circle. It is used in fields involing very small angles, eg astronomy

Usage context:

Along with the degree,arc minutes and seconds are the most commonly used angular measurement units


  • There are 60 arc seconds in an arc minute, 3,600 arc seconds in a degree, and 1,296,000 arc seconds in a circle