ReferenceSQL FunctionsMathpiVersion: Stable-3.5On this pagepi Returns the value of Pi. Syntaxβ pi() Parameterβ N/A Return valueβ Returns the value of Pi as a DOUBLE type value. Examplesβ mysql> select pi();+-------------------+| pi() |+-------------------+| 3.141592653589793 |+-------------------+1 row in set (0.00 sec)