The European Credit Transfer and Accumulation System (ECTS) is a student-centred system based on the student workload required to achieve the objectives of a study programm.
Its aim is to facilitate the recognition of study periods undertaken by mobile students through the transfer of credits.
The ECTS is based on the principle that 60 credits are equivalent to the workload of full-time student during one academic year.
ESA gives 30 ECTS for a semester fully attended and validated modules of learning ; and 60 ECTS for a year equivalent to 2 semesters.
See on Internet for more details about "ECTS".