The Complete Guide to IELTS Band Scores
IELTS doesn't give you a simple pass or fail. Instead, it measures your English ability on a 'Band' scale from 0 to 9. Once you understand exactly how scores are awarded and combined, it becomes clear where to invest your time to raise your score as quickly as possible.
What Is a Band Score?
IELTS assesses four areas — Listening, Reading, Writing, and Speaking — each on a scale of 0 to 9. Scores are awarded in half-band increments (for example, 6.0, 6.5, 7.0), and the average of your four section scores becomes your Overall Band Score.
In other words, you don't receive a single 'test score' — you receive five numbers in total: four section scores plus an Overall score. Universities and immigration authorities often require not only a minimum Overall score but also a minimum score in each section, so a single weak area can block your entire application.
How the Overall Score Is Calculated and Rounded
The Overall score is the average of your four section scores, rounded to the nearest half band according to the following rule: if the average ends in .25 it is rounded up to the next half band, and if it ends in .75 it is rounded up to the next whole band.
| Listening | Reading | Writing | Speaking | Average | Overall |
|---|---|---|---|---|---|
| 6.5 | 6.5 | 5.0 | 7.0 | 6.25 | 6.5 |
| 6.5 | 6.5 | 6.5 | 6.0 | 6.375 | 6.5 |
| 7.0 | 7.0 | 6.5 | 7.0 | 6.875 | 7.0 |
| 6.0 | 6.0 | 5.5 | 5.5 | 5.75 | 6.0 |
Key takeaway An average of just 6.25 is enough to earn an Overall 6.5. Raising one section by only 0.5 often changes your Overall score. Which section to raise first depends on your target: if every section has a minimum, start with the lowest one; if only the Overall counts, start where 0.5 is cheapest to gain, usually Listening or Reading.
What Each Band Means
| Band | Level | Description |
|---|---|---|
| 9 | Expert | Fully operational command of the language, comparable to a native speaker |
| 8 | Very Good | Fluent and accurate use, with only rare slips |
| 7 | Good | Handles complex language well, with occasional inaccuracies |
| 6 | Competent | Generally effective communication, though mistakes are noticeable |
| 5 | Modest | Basic communication is possible, but errors are frequent |
Scores Commonly Required by Goal
Requirements vary from one institution to another, so always check the official requirements of where you are applying. That said, these are the score ranges most commonly targeted by test takers in Korea.
| Goal | Common Overall Score Target |
|---|---|
| Undergraduate study abroad | 6.0 – 6.5 |
| Graduate study abroad | 6.5 – 7.5 |
| Immigration (permanent residency) | 6.0 – 7.0 (including section minimums) |
| Domestic companies and promotions | 6.0 – 7.0 |
For more detailed, goal-by-goal requirements organized for test takers in Korea, see our guide to the scores you need by purpose.
Sources Checked 21 October 2026. IELTS scoring in detail
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Frequently Asked Questions
What happens if just one of my section scores is low?
Because your Overall score is the average of all four sections, a single low section drags the whole result down. If your institution also sets a minimum for each section, raise your weakest section first. If only the Overall counts, start with the section where 0.5 is easiest to gain.
How long is an IELTS score valid?
IELTS recommends treating results as valid for two years after the test. That is a recommendation, not a fixed expiry, so some organisations accept older results (Australian skilled visas, for example, can use results from the three years before you apply, depending on the visa). Check the period your institution sets.