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Attendance Percentage Calculator

Instantly calculate your attendance percentage, find out how many classes you can safely miss, and see exactly what it takes to recover. Free for students worldwide.

Attendance Percentage Calculator

Calculate your current attendance percentage and find your safe class limit.

Bunk Calculator – How Many Classes Can I Miss?

Find the exact number of future classes you can skip and still stay above your minimum attendance requirement.

Attendance Percentage Formula Explained

The math behind this attendance percentage calculator is straightforward. These are the exact four formulas the tool uses — from basic attendance percentage to safe bunks and recovery planning.

Attendance % = (Classes Attended ÷ Total Classes Held) × 100
Safe Bunks = floor[ (Attended × 100 − Target% × Total) ÷ Target% ]
Must Attend = ceil[ (Target% × Total − Attended × 100) ÷ (100 − Target%) ]
Best Possible % = [ (Attended + Remaining) ÷ (Total + Remaining) ] × 100

Minimum Attendance Requirements Worldwide

Before using any attendance percentage calculator, know what your institution requires. Here are the minimum attendance percentages by country.

Country / Region Min. Attendance Notes
India (UGC / AICTE)75%Mandatory for all affiliated colleges and universities
India (CBSE Schools)75%Required to appear in board examinations
USA (most colleges)70–80%Varies by institution; some have no formal policy
UK Universities80%Mandatory for international student visa compliance
Australia80%Required for student visa holders under ESOS Act
Canada80%Varies by province and institution
Singapore75%NUS, NTU, and SMU standard
UAE75–80%Ministry of Education guidelines
Philippines80%DepEd and CHED requirement
GermanyNo fixed min.Varies by course; some require attendance certificates

How to Use This Attendance Percentage Calculator

1

Enter Total Classes

Type the total number of classes held so far this semester or term.

2

Enter Attended

Enter the number of classes you personally attended out of the total.

3

Set Your Target

Choose your institution's minimum — 75% is the standard in India per UGC and CBSE rules.

4

Get Instant Results

Your attendance percentage, safe bunks, and recovery info appear instantly — no page reload.

Official Indian Attendance Rules – Reference Links

This attendance percentage calculator follows the minimum attendance standards set by Indian regulatory bodies. Below are the official government and regulatory references every Indian student should know.

CBSE Attendance Rules for Board Examinations
cbse.gov.in — Central Board of Secondary Education minimum 75% attendance requirement for Class 10 and 12
UGC Attendance Guidelines for University Students
ugc.ac.in — University Grants Commission 75% attendance mandate for undergraduate and postgraduate students
AICTE Minimum Attendance Regulations for Technical Colleges
aicte-india.org — All India Council for Technical Education regulations including 75% attendance norms for engineering colleges
Ministry of Education India – National Education Policy & School Attendance Rules
education.gov.in — Official Government of India portal for education policies including attendance guidelines
NCERT Guidelines on Student Attendance and Continuous Evaluation
ncert.nic.in — National Council of Educational Research and Training curriculum and attendance evaluation norms

Frequently Asked Questions – Attendance Percentage Calculator

An attendance percentage calculator is a free online tool that computes (Classes Attended / Total Classes) x 100 to show your current standing and how many more classes you need to attend to meet your target. It also tells you how many classes you can safely skip (bunk) and how many you must attend to recover and meet your institution's minimum.
The attendance percentage formula is: (Classes Attended ÷ Total Classes Held) × 100. Example — if you attended 45 out of 60 classes: (45 ÷ 60) × 100 = 75%. This attendance percentage calculator does this instantly for you along with safe bunks and recovery planning.
In India the standard minimum attendance is 75%. CBSE mandates 75% for Class 10 and 12 board exam eligibility. UGC requires 75% for undergraduate and postgraduate college students. AICTE enforces 75% attendance in engineering and technical colleges. Some universities allow up to 10% medical relaxation with proper documentation submitted within specified timeframes.
The safe bunks formula is: floor[(Attended × 100 − 75 × Total) ÷ 75]. Example — with 80 attended out of 100 total: floor[(8000 − 7500) ÷ 75] = floor[6.67] = 6 safe bunks. Switch to the Bunk Calculator tab above to get an instant answer with your exact numbers.
If your attendance percentage falls below the required minimum (75% in most Indian institutions), consequences may include: being barred from sitting final examinations, automatic failure in the course, loss of scholarships or financial aid, detention for one semester, and for international students, potential visa compliance issues. Medical certificates may provide some relaxation (usually up to 10%) if submitted within stipulated timeframes to the appropriate college authorities.
Yes. This attendance percentage calculator works for CBSE schools, state board schools, undergraduate college, postgraduate, engineering colleges, MBA programs, and even workplace attendance tracking. The underlying math — (Attended ÷ Total) × 100 — is universal regardless of the educational institution or level.
Yes, completely free forever — no signup, no account creation, no advertisements, no data stored on servers. This attendance percentage calculator runs entirely in your browser using JavaScript. Use it as many times as you like on any device. Your data never leaves your device.
Absolutely. This attendance percentage calculator is fully mobile-responsive and loads fast on all screen sizes. It works perfectly on Android and iPhone browsers — Chrome, Safari, Firefox, and Edge — without any app installation needed. Just visit the URL and start calculating instantly.