IELTS is an English test used for study, work, migration and professional registration in many countries. It tests listening, reading, writing and speaking, and comes in different versions for different purposes.
These articles explain how IELTS works, how bands are calculated, which version to take, how long results stay valid and how to practise each part. Requirements change, so each article links the test owner's own pages and the organisation that sets your score.
How is the IELTS overall band calculated? The average of four sections, rounded to the nearest half band: what .25 and .75 do, with examples to check yours.
IELTS or PTE for Australia PR? IELTS asks one band in every skill, PTE a different score per skill. Compare both and pick the test that suits your weak skill.
Proficient English for Australian visas needs a set score in every skill. The IELTS, PTE Academic and OET numbers, and what counts as an accepted test.