To help test users understand the relationship between IELTS band scores and the six CEFR levels, Cambridge Assessment English has conducted several studies to map the IELTS 9-band scale to the CEFR, drawing on the interrelationship between IELTS and other Cambridge Assessment English qualifications and the known relationship of these latter qualifications to the CEFR.

What is the CEFR (Common European Framework of Reference for Languages)?

To find out more, follow the links below:

http://www.cambridgeenglish.org/exams/cambridge-english-scale/

http://europass.cedefop.europa.eu/es/resources/european-language-levels-cefr