The TOEFL exam typically consists of four sections, and the total test time is approximately 3 hours. Here's a breakdown of the exam timing:

1. *Reading*: 54-72 minutes (30-40 questions, 3-4 passages)

2. *Listening*: 41-57 minutes (28-39 questions, 4-6 lectures or conversations)

3. *Break*: 10 minutes

4. *Speaking*: 17 minutes (4 tasks, 1-2 minutes per task)

5. *Writing*: 50 minutes (2 essays, 30 minutes per essay)

Note that the exact timing may vary slightly depending on the test center and the specific test date.

Additionally, you should plan to arrive at the test center at least 30 minutes before the scheduled test time for check-in and registration. The total time spent at the test center will be around 4-5 hours.