Before learning and participating TOEFL test, It is better for you to know how to calculate the score of the TOEFL Test. Many of us feel difficult to achieve a TOEFL score of 450. Actually, how to calculate the score of the TOEFL test? Maybe we need to understand at a glance on how the calculation of a TOEFL score. They are 2 types of TOEFL test that is CBT (Computer Based Test) using of computer media in the implementation of the TOEFL test and PBT ( Paper Based Test ) exams using paper media in TOEFL test. CBT test is consists of four tests they are: Reading, Listening, Speaking and Written expression. and meanwhile, PBT test only consists of Reading comprehension, Listening comprehension, and structure or written expression.