Calculate your class attendance statistics and plan safe-skip limits or required recovery classes.
Maintaining class attendance is a fundamental requirement in school, college, and university curriculums. Most educational boards establish a minimum threshold to ensure students take part in continuous learning and class activities before final exams.
Under the University Grants Commission (UGC) guidelines and state university guidelines, students are expected to maintain at least 75% attendance in each registered subject. Failing to satisfy this quota can result in being barred or detained from sitting in final semester exams.
Most institutions allow a relaxation margin (lowering the threshold down to 60% or 65%) for verified medical emergencies or co-curricular participation. Official on-duty letters (OD) signed by sports or NSS coordinators are required to validate these exemptions.
Refer to this mapping chart to see the minimum number of classes you must attend to meet standard 75%, 80%, and 85% cutoffs out of different total semester classes:
| Total Classes Held | Required for 75% Target | Required for 80% Target | Required for 85% Target | Exemption Threshold (60%) |
|---|---|---|---|---|
| 40 | 30 classes | 32 classes | 34 classes | 24 classes |
| 60 | 45 classes | 48 classes | 51 classes | 36 classes |
| 80 | 60 classes | 64 classes | 68 classes | 48 classes |
| 100 | 75 classes | 80 classes | 85 classes | 60 classes |
| 120 | 90 classes | 96 classes | 102 classes | 72 classes |
| 150 | 113 classes | 120 classes | 128 classes | 90 classes |
1. Safe-Skip Class Calculation: When your current attendance is higher than the target threshold, you can calculate the maximum number of classes you can skip without dropping below:
2. Recovery Class Calculation: When your current attendance falls below the target threshold, you can calculate the minimum number of consecutive upcoming classes you must attend to recover:
If you fail to meet the minimum attendance requirements and do not have an approved medical certificate or sports exemption, university authorities can bar you from taking the end-semester exam. In such cases, you will be detained and forced to re-register for the course in the subsequent academic year.
Medical leaves and OD applications do not delete missed classes. Instead, they mark those classes as "exempted" or credit you with duty attendance points depending on university policies. Submit signed documents to your department head within 7 days of returning to campus.
In most engineering and degree courses, theory classes and lab classes have separate attendance sheets. You must satisfy the 75% criteria in each component individually to avoid exam restriction.
This calculator is 100% accurate as it uses pure arithmetic formulas with floor/ceiling checks. However, university calculations might vary slightly if they apply grace attendance margins or drop specific classes from the total count.