How to use this attendance calculator
The attendance calculator shows your current percentage and estimates how many consecutive future classes you would need to attend to reach a target percentage.
The target estimate assumes every future class increases both total classes and attended classes by one.
Formula
Attendance % = (Classes attended ÷ Total classes) × 100
Worked example
If you attended 57 out of 80 classes, your attendance is 71.25%.
Step-by-step
- Enter total classes held.
- Enter classes attended.
- Set your target percentage and calculate.
Frequently asked questions
How is attendance percentage calculated?
Divide attended classes by total classes, then multiply by 100.
Can the tool tell me how many classes I can miss?
The current version focuses on classes needed to reach a target.
Does it guarantee my college result?
No. Colleges can use different attendance rules, rounding, or exclusions.