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Attendance Calculator

Classes needed for 75%, or safe to bunk.

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Current attendance
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Attendance Calculator · SaralKit ↗

📖 Guide & FAQ

Find your attendance percentage, how many classes you need to reach 75%, or how many you can safely skip.

🆓 Free forever👤 No account, ever🔒 No data stored🎓 For students⚡ Instant📤 Shareable link

Plan your attendance, not just track it

Check your attendance after every week so a short illness or a trip home does not push you below the limit near exams. Add the classes remaining in the semester to see the best percentage you can still reach.

Other student tools: CGPA to percentage · text to handwriting · percentage calculator

How to use the Attendance Calculator tool

  1. Enter the classes you have attended and the total classes held so far.
  2. Set your required percentage (75% by default).
  3. See your current percentage, how many classes you must attend, or how many you can safely miss.

Why SaralKit?

  • Free forever: no "credits", no trial, no premium tier, no watermark and no daily limit.
  • No account, ever: nothing to sign up for. Just open the page and use it.
  • No data stored: your files and the numbers you type are processed by your own browser. We never upload, store or see them.
  • Works offline: once the page has loaded, most tools keep working without internet.
  • Open source: anyone can read the code on GitHub.

Frequently asked questions

How do I calculate attendance percentage?

Attendance % = classes attended ÷ total classes held × 100. For example, 45 out of 60 classes is 75%.

How many classes do I need to attend to reach 75%?

If you have attended A of T classes, you need x more consecutive classes where (A + x) ÷ (T + x) ≥ 0.75, which gives x ≥ (0.75T − A) ÷ 0.25. The calculator works this out for any target.

How many classes can I bunk and still stay above 75%?

You can miss y more classes as long as A ÷ (T + y) ≥ 0.75, so y ≤ A ÷ 0.75 − T. The calculator shows the safe number.

Why is 75% the rule?

Many Indian universities and boards (and UGC/AICTE-affiliated colleges) require at least 75% attendance to sit end-semester exams. Some allow condonation down to 65% for medical reasons. Check your institution's rules.

Add this calculator to your website

Free for blogs and websites. Paste this code where you want the calculator to appear. It works on WordPress, Blogger and plain HTML.