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Attendance Calculator

v1.3

Current attendance percentage plus the classes you can skip — or must attend — to hit a target like 75%.

Last updated · Last reviewed

Inputs

%

Most colleges require 75% to sit for exams.

Result

Current Attendance

76%

38 of 50 classes

Target Attendance75%
Classes You Can Miss0
StatusOn track

Saved calculations remain on this device unless you choose to share them. No tracking, no account needed.

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Formula

Attendance% = (Classes Attended ÷ Total Classes Held) × 100 Classes needed to reach target T% from A attended of N held: x = ceil((T·N − 100·A) ÷ (100 − T)) Classes you can still miss while staying ≥ T%: s = floor((100·A ÷ T) − N)

How it works

Most universities require a minimum attendance (commonly 75% under UGC norms in India) to sit for end-semester exams. This calculator shows your current attendance and the exact number of classes you can still skip — or must now attend — to hit your target.

Example

Example: 38 attended of 50 held = 76%. With a 75% target you are on track — you can still miss 0 more classes before dropping below. If you were at 30/50 = 60%, you would need to attend the next 30 classes in a row to reach 75%.

Official Sources & References

The formulas, rates and definitions used by this calculator are aligned with the following official sources:

We use only primary sources — regulators, standards bodies and scheme operators. See our full sourcing policy for details. Sources & References Policy · Calculator Methodology · How We Verify Formulas

Trust & Accuracy

Formula verified

Verified against official UGC / U.S. Dept. of Education grading conventions.

Last reviewed

June 27, 2026

Accuracy tested

Edge cases tested, formula validation and manual verification completed.

Available for

United States, Canada, United Kingdom, Australia, India, European Union.

Currency support

USD · INR · CAD · AUD · GBP · EUR

Privacy

No information entered into this calculator is stored on our servers unless you explicitly choose to save or share your calculation.

Print, share & save

Use the Save, Share, Copy, PDF, CSV and Print actions under the result panel.

Accessibility

Keyboard navigable, screen-reader friendly labels, responsive on mobile and desktop.

Learn more: How we verify formulas · How we test accuracy · Methodology · Editorial policy

Recent Updates

We continuously review and improve our calculators to keep formulas, assumptions and references accurate.

View change log (4)Show
  1. v1.3

    Added Trust & Accuracy panel and machine-readable change log.

  2. v1.2

    Added Save, Share, PDF, CSV and Print actions to results.

  3. v1.1

    Added global currency selector (USD, INR, CAD, AUD, GBP, EUR).

  4. v1.0

    Initial calculator release with verified formulas and Official Sources.

Frequently Asked Questions

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Disclaimer: Results are estimates for informational purposes only and should not be considered financial, medical, legal, or professional advice. Always consult a qualified professional before making decisions.