### Seconds (angular)

**Abbreviation/Symbol:**

- arcsec

**Unit of:**

- Angle

**Worldwide use:**

- Global

**Description:**

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

**Multiples:**

- 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