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Attendance Calculator – How Many Classes Can I Miss?

Check your attendance percentage, how many classes you can skip and still stay above 75%, or how many you must attend in a row to get back up.

  • Free, no sign-up
  • Runs in your browser, nothing uploaded

About the Attendance Calculator

Enter the classes you've attended and the total held to see your attendance percentage. Find out how many classes you can safely miss, or how many you need to attend to reach your college's requirement.

Key features

  • Attendance percentage
  • Classes you can safely skip
  • Classes needed to recover
  • Any requirement: 75%, 80% and more
  • Instant results
  • Works for lectures, labs and shifts

Stay above the attendance requirement

Falling below the minimum can stop you sitting exams. Use the calculator to see exactly where you stand, how many classes you can afford to miss, or how many you need to attend to get back on track.

Quick reference at 75%

Attended / heldAttendanceWhat it means
45 / 5090%Can skip the next 10
30 / 4075%Exactly on the line; can't skip any
42 / 6070%Attend the next 12 in a row
25 / 4062.5%Attend the next 20 in a row

Final grade calculator, working days calculator and percentage calculator.

How to use the Attendance Calculator

  1. Enter your marks, grades or numbers in the fields above.
  2. Add or remove rows for each subject, course or assessment.
  3. The result updates instantly as you type.
  4. Your entries are saved in this browser, so you can come back and update them.

Frequently asked questions

How do I calculate my attendance percentage?

Divide the classes you attended by the total classes held and multiply by 100. For example, 42 out of 60 classes is 70%.

How many classes can I miss and stay above 75%?

You can miss classes as long as attended ÷ (held + missed) stays at 75% or more. With 45 out of 50 attended, you could skip the next 10 and still be at exactly 75%.

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

If you're below 75%, you need (0.75 × held − attended) ÷ 0.25 more classes in a row. At 42 out of 60, that's (45 − 42) ÷ 0.25 = 12 classes without missing any.

What attendance is required in universities?

Many universities in India and Pakistan require 75% attendance to sit the final exam, and some programmes require 80%. Check your university's rules, as medical leave may be counted differently.

Are these student tools free?

Yes, every tool is free with no sign-up or app to install, and they work on phones as well as computers.

Is my data saved?

Your courses, marks, timer settings and reference list are saved only in your own browser, so you can come back and update them. Nothing is sent to our servers.

Which grading systems are supported?

The GPA calculator supports the US 4.0 and 4.3 scales, the Pakistani HEC-style 4.0 scale and the Indian 10-point scale. The CGPA to percentage converter includes the CBSE and VTU formulas and the common 10-point and 4.0-scale conversions.

Will my university use exactly the same formula?

Not always. Grading and conversion rules differ between universities and boards, so check your student handbook for official results.

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