Calculate Attendance Percentage
Enter classes conducted so far and classes you attended
Calculate total attended hours, lab durations, overtime minutes, and late arrivals with time conversion for students and employees.
Enter classes conducted so far and classes you attended
Overview of classes you can afford to skip across standard semester course lengths.
| Total Classes Held | Must Attend (75%) | Can Miss (75%) | Must Attend (80%) | Can Miss (80%) | Must Attend (85%) | Can Miss (85%) |
|---|---|---|---|---|---|---|
| 30 Classes | 23 | 7 | 24 | 6 | 26 | 4 |
| 40 Classes | 30 | 10 | 32 | 8 | 34 | 6 |
| 50 Classes | 38 | 12 | 40 | 10 | 43 | 7 |
| 60 Classes | 45 | 15 | 48 | 12 | 51 | 9 |
| 75 Classes | 57 | 18 | 60 | 15 | 64 | 11 |
| 100 Classes | 75 | 25 | 80 | 20 | 85 | 15 |
Understand how attendance percentages, safe-skip margins, and shortage recovery are calculated mathematically.
E.g. If you attended 42 out of 50 classes: (42 ÷ 50) × 100 = 84.00%.
E.g. With 42 attended out of 50 for 75%: ⌊(42 × 100 ÷ 75) - 50⌋ = ⌊56 - 50⌋ = 6 safe skips.
E.g. With 25 attended out of 40 for 75%: ⌈(3000 - 2500) ÷ 25⌉ = 20 consecutive classes.
Explore dedicated calculators tailored for university attendance guidelines and evaluation rules.
Common questions regarding minimum attendance percentages, exam eligibility, and condonation rules.
Under UGC guidelines and ordinances of universities like JNTU, Anna University, and DU, students must attend at least 75% of lectures and labs to take end-semester exams. Falling below 75% without valid medical condonation (which usually covers 65%–74%) results in detention (NE / R-grade).
Use our "Classes Needed" calculator tab. The formula is: Needed = Ceiling((Target × Conducted - 100 × Attended) ÷ (100 - Target)). For instance, if you attended 25 out of 40 classes (62.5%), you need 20 consecutive classes without absence.
In company payroll, per-day salary = Gross Salary ÷ Total Days in the Month. Earned salary = (Present Days + Approved Paid Leaves + 0.5 × Half Days) × Per-day rate. Our "Office & Shrinkage" tab calculates this automatically.
Attendance Allowance is a non-means-tested UK benefit from DWP for people of State Pension age who need someone to help look after them due to illness or disability. Lower rate is £72.65/week, and Higher rate is £108.55/week.
अटेंडेंस प्रतिशत निकालने के लिए: (उपस्थित कक्षाएं ÷ कुल कक्षाएं) × 100। यदि कुल 50 कक्षाएं हुई हैं और आप 40 में उपस्थित रहे हैं, तो आपकी अटेंडेंस (40 ÷ 50) × 100 = 80% होगी।
Target Cutoff: 75% Rule
You are comfortably above the required attendance threshold.
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