Your four section scores combine into a single overall band using IELTS's specific rounding rules.

You have one answer. Now see the study steps around it, from applications to arrival.
Universities publish thresholds in only one of the two scales. We map between them using the ETS-published correspondence table.
Different German universities accept different English tests at different score thresholds. We pick the cheapest valid path.
Your CGPA, target field, and target university map to a likelihood band, anchored against real cohort data.