Calculating the overall band score

A score is given for each test – Listening, Reading, Writing and Speaking. These individual scores are then averaged and rounded to the nearest half band, to produce an overall band score.
  

Learn more about how band scores are calculated

IELTS results validity period

While it is up to each organisation to set a validity period that works for their purposes, the IELTS partners recommend a 2-year validity period for IELTS test results based upon the well-documented theory of second language loss or 'attrition’.
   

Read research relating to language attrition