PostgreSQL/Math Functions/degrees

degrees(dp) radians to degrees

postgres=# -- degrees(dp) radians to degrees
postgres=# select degrees(0.5);
     degrees
------------------
 28.6478897565412
(1 row)
postgres=#

degrees(r): Returns degrees from radians r

postgres=# -- degrees(r): Returns degrees from radians r
postgres=# SELECT degrees(acos(-1)) AS half_circle,
postgres-#        degrees(pi() * 2) AS full_circle;
 half_circle | full_circle
-------------+-------------
         180 |         360
(1 row)
postgres=#