TOEFL IBT
The TOEFL iBT exam is given online through the Internet at designated testing sites. It is recommended that you have basic typing skills in order to complete this exam in a timely manner. This exam measures writing, reading, listening, and speaking skills. The test is administered very frequently throughout the year at various locations. The test takes about 3-4 hours to complete. This format of the exam is generally the only option students will have at most locations where they will be taking the TOEFL exam.
TOEFL PBT
TOEFL PBT exam is administered via a paper and pencil format. This exam measures listening, reading, writing and grammar skills. This exam is only offered in areas where Internet is not available. The test takes about 2.5 hours to complete. This exam is being phased out and the TOEFL iBT will be the primary TOEFL exam given to international students.
You can find testing locations and dates here. Regardless of which exam you take, it’s important to know the score you need to achieve for admissions. Luckily, you are allowed to take all formats of the TOEFL exam as many times as you need. You should prepare well-in-advance of your test date by taking practice exams and speaking with a native English speaker, if possible. If you study and practice, many months before the test, you are bound to do well!