Band 6 vs 6.5 vs 7: What Actually Changes in the Descriptors

Most university and immigration requirements sit somewhere between band 6 and band 7, which makes this the most consequential half band on the scale. IELTS describes a band 6 candidate as competent and a band 7 candidate as good, but a label does not tell you what to change. The published documents do, and comparing them row by row is more useful than any general advice.

Where 6.5 comes from

Here is the fact this whole comparison rests on: IELTS publishes descriptors for whole bands only. There is no band 6.5 descriptor anywhere in the official documents.

A 6.5 is produced by arithmetic. In Listening and Reading, it is a raw score step between the band 6 and band 7 marks. In Writing and Speaking, it appears when your four criterion scores straddle the two bands: scores of 6, 6, 7, and 7 average to 6.5. And an overall 6.5 comes from averaging the four section scores. So if your report says 6.5, you are not in some separate category with its own rules. You are a person who meets the band 7 description in some areas and the band 6 description in others, and moving up means moving specific criteria across that line.

Listening and Reading: the gap is measured in correct answers

These two sections are marked against an answer key, so the difference between bands is simply raw marks. On the official anchors, band 6 in Listening is around 23 correct answers out of 40 and band 7 is around 30. Academic Reading matches: 23 for band 6, 30 for band 7. General Training Reading runs higher, 30 for band 6 and 35 for band 7. IELTS notes these are averages that vary slightly between test versions.

That framing matters. In Listening and Academic Reading, the road from 6 to 7 is roughly seven more correct answers. Our guides to the Reading conversion and the Listening conversion break down the full tables.

Writing: from doing the job to controlling it

In Writing, an examiner scores four criteria per task, and the band 6 and band 7 rows differ in the same direction on every one.

In task response, band 6 presents a relevant position but its conclusions may be unclear, unjustified or repetitive, and some ideas are insufficiently developed. Band 7 presents a clear, developed position with ideas extended and supported. In coherence and cohesion, band 6 allows linking that is faulty or mechanical; band 7 expects a range of cohesive devices used flexibly, with some inaccuracies or some overuse or underuse. In lexical resource, band 6 keeps meaning clear despite a restricted range; band 7 shows some flexibility and precision and some less common vocabulary. In grammar, band 6 mixes simple and complex forms but loses accuracy in the complex ones, while band 7 produces frequent error free sentences and handles a variety of complex structures with some flexibility.

The pattern is consistent: band 6 does the job with visible strain, and band 7 does the same job with control. How IELTS Writing Is Marked covers the criteria in full, and each has its own guide in our Writing descriptors series, starting with task response.

Speaking: the same shape

The Speaking descriptors draw the line in matching terms. Band 6 keeps going but sometimes loses coherence through hesitation and self correction; band 7 produces long turns without noticeable effort. Band 6 makes frequent errors in complex structures; band 7 produces frequent error free sentences. Pronunciation at band 7 is defined as everything band 6 does plus some features of band 8. The full breakdown is in How IELTS Speaking Is Marked.

Using the comparison

Two things follow from reading the rows this way. First, the examiner rules state that your writing or speaking must fully fit the positive features of a band to receive it, so a band 7 target means meeting the whole row, not one impressive part of it. Second, because half bands come from averaging, a single criterion moved from 6 to 7 can lift a section score, and a single section lifted can move your overall band. The band score calculator shows exactly how far, and IELTS band scores explained covers how the averaging works.

If your report already says 6.5, the follow up question is which criterion is holding you there. Why You Are Stuck at Band 6.5 turns this comparison into that diagnosis.

The Writing band descriptors (updated May 2023), Speaking band descriptors, and score conversion anchors are published on ielts.org. Last checked August 2026.