Attendance Percentage Calculator
75% Rule for College & School Students
Check your attendance percentage in seconds, or find out exactly how many classes you can miss — or must attend — to reach 75%. Works for Anna University, VIT, CBSE and any college with its own rule.
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How to Calculate Attendance Percentage
The formula is (Classes Attended ÷ Total Classes Held) × 100. Example: attended 42 of 50 classes → (42 ÷ 50) × 100 = 84%. Most Indian colleges require 75% to be eligible for semester exams, though some allow condonation for medical or other documented reasons.
उपस्थिति का प्रतिशत कैसे निकाले (Hindi Guide)
सूत्र: उपस्थिति % = (कक्षाओं में उपस्थित ÷ कुल कक्षाएँ) × 100। उदाहरण: 50 में से 42 कक्षाओं में उपस्थित → (42 ÷ 50) × 100 = 84%।
ज़्यादातर कॉलेजों में परीक्षा देने के लिए 75% उपस्थिति ज़रूरी होती है। ऊपर के कैलकुलेटर में अपनी उपस्थित और कुल कक्षाएँ डालें — यह तुरंत बता देगा कि आप 75% से ऊपर हैं या नहीं, और कितनी कक्षाएँ छोड़ सकते हैं या कितनी लगातार अटेंड करनी होंगी।
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← Back to all calculators75% Attendance Chart: How Many Classes Can You Miss?
The quick answer to “how to calculate 75 percent attendance” — the minimum classes you must attend and the most you can miss.
| Total classes | Attend at least | Can miss (max) |
|---|---|---|
| 40 classes | 30 | 10 |
| 50 classes | 38 | 12 |
| 60 classes | 45 | 15 |
| 80 classes | 60 | 20 |
| 100 classes | 75 | 25 |
| 120 classes | 90 | 30 |
Attendance Rules: Anna University, VIT & CBSE
What each usually requires, and what happens if you fall short.
Anna University
- ✓Condonation is usually possible around 65–74% with a valid reason (e.g. medical certificate).
- !Below that band, exam eligibility is typically lost.
VIT
- ✓Counted course by course, so check each subject, not just your overall figure.
- !Falling short can mean being barred from the term-end exam.
CBSE (Class 9–12)
- ✓Schools can relax it in genuine cases such as illness, with documents.
- !Confirm the exact relaxation with your school office.
Rules change by year and regulation — treat this as a guide and confirm with your department.
Attendance Calculator — Questions Answered
Most Indian universities, including Anna University and CBSE-affiliated institutions, require 75% attendance to sit for semester exams. Some allow condonation to 65–70% with a valid medical certificate or documented reason — check your institution’s policy.
Divide classes attended by total classes held, then multiply by 100. Attending 42 of 50 classes gives (42 ÷ 50) × 100 = 84%.
Out of 100 classes you can miss 25; out of 60, 15; out of 40, 10. For your exact numbers, use the “Classes I Can Miss / Must Attend” tab with your attended, total and remaining classes.
Anna University generally requires 75% attendance per semester. Students between about 65% and 74% can typically apply for condonation with a valid reason and fee; below that they usually cannot write the exams. Always confirm with your regulation and department.
Yes. Enter your attended and total classes for a course and keep the target at 75% (VIT’s usual requirement), or change it to match your rule.
Most colleges won’t issue a hall ticket below the required percentage unless the shortage is condoned for a valid, documented reason, usually medical. Policies vary, so speak to your department office if you’re close.
उपस्थित कक्षाओं को कुल कक्षाओं से भाग दें और 100 से गुणा करें। 50 में से 42 कक्षाएँ हों तो उपस्थिति 84% होगी।
It uses the standard percentage formula and works for any institution — set your own required percentage (default 75%, or 65%, 80% etc.).