Saiyans can transform into several different forms, each better than the last.

Super Saiyan

Base PL must be 500,000

Must transform for first time in battle

Base PL is multiplied by 3


Ultra Super Saiyan

Base PL must be 1,500,000

Base PL is multiplied by 4


Super Saiyan 2

Base PL must be 4,000,000

Must transform for first time in battle

Base PL is multiplied by 5


Super Saiyan 3

Base PL must be 8,000,000

Base PL is multiplied by 7


Super Saiyan 4

Base PL must be 20,000,000

Must transform for first time in battle

Base PL is multiplied by 10