Attendance Calculator

Find out how many classes you can skip, or how many you need to attend, to hit your required attendance.

Attendance So Far

Your Attendance

Current Attendance
0%
Status
-
0
Classes Missed
-
Best Possible % (if remaining given)
-
Target Achievable?

How Attendance and "Classes to Bunk" is Calculated

Attendance tracking comes down to one ratio, but the useful question for most students is really two different forward-looking calculations depending on where you stand.

Step 1: Current attendance

Attendance % = (Classes Attended ÷ Classes Held) × 100

Step 2a: If you're above the requirement — how many can you skip?

Classes You Can Skip = floor( (Attended × 100 ÷ Required %) − Held )

This finds the largest number of additional classes you can miss (i.e. classes get added to "held" but not "attended") while your attendance ratio stays at or above the required percentage.

Step 2b: If you're below the requirement — how many must you attend?

Classes Needed = ceil( (Required % × Held − 100 × Attended) ÷ (100 − Required %) )

This finds how many classes in a row you'd need to attend (assuming zero further misses) to bring your ratio up to the required percentage. If you enter "Total Classes Remaining", the calculator also checks whether that many classes actually exist left in the term.

The 75% norm in India

75% is a commonly cited minimum attendance requirement across Indian colleges and universities, often referenced in UGC guidance and individual institutions' academic regulations, as a condition for being allowed to sit semester-end exams. Some institutions allow a condonation of a few percentage points for genuine reasons (medical, family emergency) — check your own college's specific policy, since this varies.

For example, with 60 classes held, 42 attended (70%) and a 75% requirement, you're currently below target and need to attend 12 classes in a row with zero misses to reach exactly 75%. Enter these same figures into the calculator above to reproduce this result.

Frequently Asked Questions

If your current attendance is above the required percentage, you can skip N more classes and stay at or above it, where N = floor(Classes Attended × 100 ÷ Required % − Classes Held). This calculator computes N automatically once you enter your current attended/held count and required percentage.

If your current attendance is below the required percentage, and you attend every remaining class from now on, you need to attend N more consecutive classes, where N = ceil((Required % × Classes Held − 100 × Classes Attended) ÷ (100 − Required %)). This assumes no further classes are missed during that stretch.

75% is a widely used minimum attendance threshold set by UGC and many university/college regulations for students to be eligible to sit for semester-end examinations, though the exact figure and any condonation allowance (a few percentage points of relaxation for genuine reasons) varies by institution. Always confirm your specific college's attendance policy rather than assuming 75% applies.

Yes, as long as you attend every one of those future classes — each attended class raises both your attended count and held count by one, and since your current percentage is below 100%, that always nudges the ratio upward. Missing even one class in that stretch resets the math, which is why this calculator assumes a perfect attendance streak for the "classes needed" figure.

If very few classes remain in the term relative to how far behind you are, it may be mathematically impossible to reach the required percentage even by attending every remaining class. Enter the total classes remaining in the term to see whether your target is achievable, and if not, by how much you'd fall short.

Most institutions calculate it per subject, since each subject has its own set of classes held and attended, and a shortage in even one subject can affect exam eligibility for that subject. Run this calculator separately for each subject rather than combining all subjects' classes into one total, unless your institution specifically tracks a combined overall percentage.