✓STUDENT & STUDY
Attendance Required Calculator
Find how many future classes you need to attend to reach a target attendance percentage.
Enter your values
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Formula
Required classes = (Target × Total − Attended) ÷ (1 − Target)
Required classes = (Target × Total − Attended) ÷ (1 − Target)
How it works
1
Enter classes attended and total classes held.
2
Enter your target attendance percentage.
3
Calculate the minimum additional classes you need to attend without missing them.
Important notes
The result is rounded up because you cannot attend a fraction of a class.