Math & Calculator
Attendance Calculator
Check your attendance percentage and how many classes you can safely bunk
How to Use
Enter Numbers
Set Parameters
Calculate
View Results
Learn More
Checking Whether You Can Safely Miss Tomorrow's Class
Type in the classes you have attended and the classes held so far, choose the percentage your college demands, and the answer appears straight away. If you are above the line the tool tells you exactly how many more classes you can miss. If you are below it, it tells you how many you must attend in a row to climb back. The bar underneath shows where you sit against the requirement, so you can see at a glance whether you have room or are about to run out.
The 75% Rule and What Actually Happens If You Miss It
Most Indian universities and the AICTE framework expect at least 75 percent attendance before you are allowed to sit an end-semester exam. Falling short usually means being marked detained in that subject, which can mean repeating it, paying a condonation fee where your university permits one, or in the worst case losing the whole semester. Condonation is discretionary, not a right, and it is normally capped at a narrow band just under the requirement, often around 65 to 74 percent, with a medical certificate.
Why Recovering Takes Far More Classes Than You Expect
The maths is not symmetrical, and this catches people out every semester. Missing one class when 100 have been held costs you about one percent, but every class you attend afterwards adds to both your attended count and the total, so each one lifts your percentage only slightly. If you have attended 60 of 100 classes and need 75 percent, you must attend the next 60 classes without missing a single one. That is why checking in week six is worth far more than checking in week fourteen, when the arithmetic has already closed the door.
Calculate Per Subject, Not Just Your Overall Average
Attendance in most Indian colleges is recorded subject by subject, and exam eligibility is decided the same way. An overall figure of 78 percent feels safe right up to the moment you discover one subject is sitting at 68 because its classes landed on the mornings you skipped. Run this calculator once for each subject, starting with the ones scheduled at eight in the morning or in the last slot on a Saturday. Those are almost always the ones where the gap has quietly opened up.
Planning Bunks Around Festivals, Fests and Placement Season
The number this tool gives you is a budget, not a target to spend immediately. Spread it across the rest of the semester and keep a few in reserve, because the absences you cannot plan are the ones that hurt: fever, a family function, a train that does not run, an interview that clashes with a lecture. A sensible habit is to keep at least three or four classes of buffer at all times. Students who use their whole allowance by Diwali are the ones negotiating with the department in March.
Keeping Your Own Record Instead of Trusting the Portal
College portals update late, and errors are common, particularly for classes taken by substitute faculty or rescheduled at short notice. Note down attendance yourself after each class and compare it against the portal every couple of weeks. If there is a mismatch, raise it while the faculty member can still remember the session, because a correction requested in week four is routine and one requested the day before exam forms are issued rarely goes anywhere.
Frequently Asked Questions
Enter how many classes you have attended and how many have been held, and the tool works it out exactly. The formula is your attended classes times 100, divided by 75, minus the classes held so far. Anything left over is how many you can miss before dropping below the line.
The tool shows this as soon as your percentage falls short. It assumes you attend every remaining class without missing any, because one more absence pushes the number up again. If the figure looks impossible for the classes left in your semester, speak to your department early rather than in exam week.
Yes. Pick your college requirement from the buttons — 60, 65, 70, 75, 80 or 85 percent. Medical and some professional courses set higher bars than the usual 75, and a few universities count theory and practical attendance separately, so run those as two calculations.
Count them the same way your college does. Most Indian universities track attendance per subject, so the safest approach is one calculation per subject using that subject's numbers. A comfortable overall average can still hide a single subject sitting below the cut-off, and that one subject is what blocks your exam form.
No. The whole calculation runs in your browser with JavaScript, so your attendance numbers never reach a server and nothing is stored. There is no sign-up and no app to install. Close the tab and everything is gone, which also means you can check it on a friend's phone safely.