How TOEFL ITP Scores Are Calculated: The Official Formula and How Many Correct Answers You Need for 500 & 550
How TOEFL ITP scores are calculated: the official 310 to 677 formula, worked examples, and estimated correct answers needed to reach 500 and 550.
Many people assume a TOEFL® ITP score works like a school exam: correct answers divided by 140, times 100. It doesn’t. TOEFL ITP uses scaled scores with a total range of 310 to 677.
Once you understand the calculation, you can set realistic targets: how many questions you need right in each section, and which section pays off most. (The slides below are in Indonesian.)
TOEFL ITP Question Breakdown
TOEFL ITP Level 1 has 3 sections with 140 questions in about 115 minutes:
| Section | Questions | Time | Scaled score range |
|---|---|---|---|
| Listening Comprehension | 50 (Part A 30, Part B 8, Part C 12) | about 35 minutes | 31 to 68 |
| Structure & Written Expression | 40 (Structure 15, Written Expression 25) | 25 minutes | 31 to 68 |
| Reading Comprehension | 50 | 55 minutes | 31 to 67 |
Note: Listening has 50 questions, not 68. 68 is the maximum scaled score for Listening, not the number of questions.
Step 1: Correct Answers Become Scaled Scores
The number of correct answers in each section (the raw score) is converted to a scaled score using a conversion table. These tables differ from one test form to another, because ETS equates difficulty across forms. So 30 correct in Listening on one form may give a slightly different scaled score than 30 correct on another.
That is why no single table is “exactly right” for every test. The tables in prep books are estimates.
Step 2: Apply the Formula
With your three scaled scores, the total is:
Total score = (Listening + Structure + Reading) × 10 ÷ 3
The result is rounded to a whole number.
Example 1: Listening 52, Structure 50, Reading 48. (52 + 50 + 48) × 10 ÷ 3 = 150 × 10 ÷ 3 = 500
Example 2: Listening 55, Structure 56, Reading 54. (55 + 56 + 54) × 10 ÷ 3 = 165 × 10 ÷ 3 = 550
So for 500 you need an average scaled score of about 50 per section. For 550, about 55.
How Many Correct Answers for 500?
Using the conversion tables commonly found in prep books, a rough estimate:
| Section | Approx. correct | Approx. scaled score |
|---|---|---|
| Listening (50 questions) | about 30 | about 51 |
| Structure (40 questions) | about 26 | about 50 |
| Reading (50 questions) | about 33 | about 50 |
| Total | about 85 to 92 of 140 | about 500 |
That means you can miss around 50 questions and still reach 500. Strategy: lock in the easier points first, such as Listening Part A and the basic patterns in Structure questions 1 to 15.
How Many Correct Answers for 550?
| Section | Approx. correct | Approx. scaled score |
|---|---|---|
| Listening (50 questions) | about 37 to 39 | about 55 to 57 |
| Structure (40 questions) | about 31 to 33 | about 55 to 57 |
| Reading (50 questions) | about 40 to 41 | about 55 to 56 |
| Total | about 105 to 115 of 140 | about 550 |
The margin is much tighter, roughly 25 to 35 wrong answers across the whole test. These figures are estimates, since every form has its own table. Sections also compensate for each other: a Structure score slightly below target can be offset by a higher Listening or Reading score.
Why Structure Is Worth the Most per Question
Structure & Written Expression has only 40 questions, but its scaled range (31 to 68) is nearly the same as Listening and Reading with 50 questions each. So each correct answer in Structure raises the scaled score a little more, about 1 point per question in the middle range, compared with about 0.7 to 0.8 in Listening or Reading.
Grammar questions also follow learnable patterns: subject and verb, reduced clauses, inversion, parallel structure. That makes Structure the section that often improves fastest with focused practice.
No Penalty for Wrong Answers
TOEFL ITP scores are based on correct answers only. Wrong answers are not subtracted. So:
- Never leave a question blank. A blank is always zero; a guess still has about a 25% chance.
- Eliminate first. If you can rule out 2 clearly wrong options, your odds rise to about 50%.
- Running out of time? Fill in every remaining answer. Whether you guess the same letter or different letters, the average odds are the same, about 1 in 4. Picking one letter is just faster; it does not guarantee extra points.
Tips for pacing yourself so you don’t have to guess a lot are in TOEFL ITP time management.
Summary
| Point | Details |
|---|---|
| Score range | 310 to 677 |
| Formula | (L + S + R) × 10 ÷ 3 |
| Section scaled scores | L 31 to 68, S 31 to 68, R 31 to 67 |
| Target 500 | average scaled score about 50, about 85 to 92 correct |
| Target 550 | average scaled score about 55, about 105 to 115 correct |
| Wrong answers | no penalty |
| Conversion tables | vary by test form; the counts above are estimates |
Want to compare with TOEFL iBT and IELTS scoring? Read TOEFL ITP vs iBT vs IELTS, or the complete TOEFL guide.
Check Where Your Score Stands
The clearest way to see how far you are from your target is to take a full simulation and look at your per-section results.
Kawan EPT (formerly Kawan TOEFL) has a 140-question timed simulation with per-section results, a score estimate on the 310 to 677 scale from your last 10 practices, a diagnostic test, Weakness Drill to target your weakest areas, 7,400+ questions with explanations for every option, and Grammar, Reading, and Listening lessons. Free on Google Play Store.